Which substance has a low albedo?
A. A black asphalt road
OB. A beach of white sand
O O O
C. A shiny building
D. An iceberg

Answers

Answer 1
It’s a guess but it’s not C. Because that would be high albedo. Low albedo would probably be D. An Iceberg

Explanation: Albedo is the measure of the reflectivity of a material. A high albedo means it reflects a lot of light and a low albedo means it absorbs a lot of light.

My Second Explanation: The higher the albedo, the more the surface reflects light. Snow and ice have high albedos; a dark rock would have a lower albedo.

Related Questions

Which symbol represents a hybrid?


Aa

dE

BB

cc

Answers

Answer:

I think its Aa

Explanation:

Not very good at biology :/

Which of the following molecules comes from the food we eat and is needed for energy?
A) amino acids
B) glucose
C) oxygen
D) protein
E) fiber

Answers

i think protein, not 100% sure

1 pe If a fox has 15 pairs of chromosomes in it's lung cell , how many total chromosomes are in it's eye cell? (type the number only) * Your answer​

Answers

El mundo comas en el oya, pedthon el numbaras.

what is a example of acceleration?

Answers

Answer:

For example, if a car turns a corner at a constant speed, it is accelerating because its direction is changing. The quicker you turn, the greater the acceleration. So there is an acceleration when velocity changes either in magnitude or in direction, or both.

Explanation:

hope this helps... (i can't see the pic...)

(─‿─)

Plastics like PVC pipe and Teflon used to make non-stick cooking trays are made by bonding large chains of carbon molecules to other molecules; disrupting Earth's natural cycles. How is the use of plastics disrupting nature? A) Production uses 10% of Earth's energy. B) Animals/Fish can not digest the enzymes. C) Landfill's leak harmful chemicals into the atmosphere. D) Floating plastic waste serves as transportation devices for invasive species, disrupting habitats.

Answers

B) Animals/Fish can not digest the enzymes.

Pairs of chromosomes contain (the same/different) types of genes.

Answers

Answer:

The 22 pairs of homologous chromosomes contain the same genes but code for different traits in their allelic forms since one was inherited from the mother and one from the father. So humans have two homologous chromosome sets in each cell, meaning humans are diploid organisms.

HOPE THIS HELPS

A segment of mRNA has the sequence UGACAUAGC. Which of the following would represent the
strand of DNA from which this piece of mRNA was made?
O ACTGTATCG
O ACUGUAUCG
O CGAUACAGU
O GTACAGATT

Answers

Answer:

B

Explanation:

U(uracil) pairs with A(adenine), G(guanine) pairs with C(cytosine)

I will mark brainiest for correct answer

A pelican has a dip netting beak. How does it eat?

A. It traps fish between its upper and lower mandible much like a scissor,
B. It takes a big gulp of water with fish and filters the water off of the fish before swallowing,
C. It opens holes in trees and eats insects beneath the surface of the wood,
D. It burrows in the mud to find insects and other small invertebrates beneath the surface

Answers

Answer:

b is correct

Explanation:

Answer:

b they scoop them and then drain the water a swallow all remaining animals

Please hurry!!!

How does the DNA change during meiosis?

Answers

Answer:

Scotland

Law is a surname, of English, Scottish, Cantonese, or Chinese origin. In Scotland, the surname means dweller at the low; as in a hill. Another origin of the surname is a contraction of Lawrence, or Lawson.

Explanation:

Answer:When recombination occurs during meiosis, the cell's homologous chromosomes line up extremely close to one another. Then, the DNA strand within each chromosome breaks in the exact same location, leaving two free ends. Each end then crosses over into the other chromosome and forms a connection called a chiasma.

Explanation: Np

Why are most systems in the human body negative feedback systems?

Answers

Negative feedback systems allow humans to regulate and stabilize their systems.

Most systems in the human body are negative feedback systems because negative feedback systems allow humans to regulate and stabilize their systems, which is the first option as a negative feedback system regulates the body's functioning.

What is the negative feedback system?

Negative feedback is a regulatory mechanism in which a change in a physiological variable triggers a response that opposes the initial change, for example, in the regulation of body temperature, when the body becomes too hot, thermoreceptors in the skin and other tissues detect the change in temperature and send signals to the hypothalamus, which acts as the body's thermostat and as a feedback mechanism, hypothalamus triggers responses that cool the body, such as vasodilation to increase blood flow to the skin, sweating to release heat, etc.

Hence, most systems in the human body are negative feedback systems because negative feedback systems allow humans to regulate and stabilize their systems, which is the first option.

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B. Population Dynamics Symbiotic Relationships
Ticks
Ticks belong to a family called Acarina, which also contains mites. Ticks eat by taking blood from
other organisms such as wallabies, lizards, echidnas and occasionally humans. In humans this can
lead to symptoms such as itching, head aches and in extreme cases flu like symptoms, facial
paralysis, and meat allergy.
1. Identify the relationship a tick has with its host. Justify your answer [3]

Answers

Answer:

Parasitism

Explanation:

Parasitism is a form of relationship in which one of the organism is being harmed while the other benefits. The organism being harmed is usually called the HOST while the organism that benefits is called PARASITE. Parasites often inflict certain health-related conditions on their hosts.

According to this question describing the mode of feeding of ticks, they are said to eat by taking blood from other organisms such as wallabies, lizards, echidnas and occasionally humans, which are all HOSTS.

In human hosts, this relationship with ticks can lead to symptoms such as itching, head aches and in extreme cases flu like symptoms, facial paralysis, and meat allergy etc. From the description above, it is clear that TICK has a PARASITIC RELATIONSHIP with its host as it brings only harm to them and benefits itself.

When we consider the motion of particles such as the molecules that comprise air, which of the following is False?

Group of answer choices

Molecules move in a random motion and will collide with other particles or a container

As temperature increases, there is an increase in molecular motion

Molecules move from areas of high concentration to areas of lower concentration

As temperature decreases, there is an increase in molecular motion

Answers

Answer:

D

Explanation:

If you see two contradictory answers (B & D), one has to be the choice. As temperature increases, molecular motion decreases is false. Diffusion is what choice C is describing and is true.

Im thinking the answer is bacteria but I'm not sure

Answers

Answer:

Yes you are right

Explanation:

I did it in test

1.) A person walks 12.5 km in 1.9 h. What is the person's
average velocity in km/h and m/s?

Answers

Answer:

1. 6.56 km/hr

2. 1.83 m/s

Explanation:

The average velocity/speed can be calculated using the formula;

Average speed/velocity = distance/time

According to the information provided in the question, distance = 12.5km, time = 1.9h

Average velocity in km/hr = 12.5/1.9

= 6.578

= 6.56km/hr

However, in order to calculate the average speed in m/s, we have to convert distance in km to m, and time in hour to seconds.

1km = 1000m

12.5km = 12.5 × 1000

= 12500m

1 hour = 3600seconds

1.9hours = 1.9 × 3600

= 6840seconds

Average velocity = 12500/6840

= 1.827

= 1.83m/s

Please anyone ASAP help

Answers

If I’m correct, it’s c

Answer:

C. There is a 25% chance of short offspring.

Explanation:

In the simplified genotypes of a Punnett square cross, we deal with two genotypes. In this case, we are looking at a cross between Tt and Tt. T is dominant and t is recessive, meaning that someone with any genotype with T in it will be tall.

TT, Tt, and Tt will all produce tall offspring, while tt will produce short offspring.

This means there is a 75% chance of tall offspring, or 3:4.

50% or 2:4 are expected to have the Tt genotype.

Only 1 of the 4 will produce short offspring, which is 25%.

Which RNA molecule is matched with its correct function?

Answers

If Could you show a picture and I could help

Answer:

Which class of RNA is correctly paired with its function? Transfer RNA (tRNA): attaches to an amino acid. What is the difference between the template strand and the nontemplate strand? The template strand is the DNA strand that is transcribed into an RNA molecule, whereas the nontemplate strand is not transcribed

Pearl the whale had a horrible accident at cheerleading practice and needed a blood transfusion. So she needed to find out her possible blood type. Her dad, Mr. Krabbs is heterozygous for blood type A and her mom is heterozygous for blood type B. Make a Punnett square to show Pearl’s possible blood type(s). Mr. Krabbs genotype: ________ Mrs. Krabbs genotype: ________ What is the possibility of Pearl having blood type O? ____ What is the possibility of Pearl having blood type AB? ____ What is the possibility of Pearl having blood type A? ____ What is the possibility of Pearl having blood type B? ____ - Is this scenario an example or incomplete dominance or codominance? Explain. - How can some people receive O-type blood which is recessive?

Answers

Answer:

Mr Krabs genotype: A0

Mrs K= B0

Possible genotypes: AB, B0, A0, 00

The possibility that pearl has blood type O is 25%, type A 25%, type B 25%

this scenario is an example of codominance

how many sperms are formed in four primary spermatocyte​

Answers

One primary spermatocyte produces four spermatozoa, therefore, four primary spermatocytes will produce 16 spermatozoa.
One primary spermatocyte produces four spermatozoa, therefore, four primary spermatocytes will produce 16
spermatozoa.

4. What is a chromosome?

Answers

It is what make you you

I NEED HELP ON BOTH ANSWER AS QUICKLY AS POSSIBLE!!

Answers

In a point mutation, only one nucleotide is changed.

In a chromosomal mutation, the whole chromosome is changed.

The corresponding mutation types and sequences are given below:

Deletion: ATT GGA TA

Substitution: ATT ACG ATA

Insertion: ATA TGC GAT A

What is one of the chief alms of water conservation?

Answers

Answer:

gdk

and got tooka killed Explanation:

Help is much needed please, thank you?

Answers

Answer:

I belive the answer is #3

Explanation:

Long-distance signalling

A chemical reaction is shown.

SnO2 + H2 → Sn + H2O

What is true about this chemical reaction?

A.
It is balanced because the mass of the reactants (number of atoms) is equal to the mass of the products (number of atoms).

B.
It is unbalanced because the mass of the reactants (number of atoms) is greater than the mass of the products (number of atoms).

C.
It is unbalanced because the mass of the reactants (number of atoms) is less than the mass of the products (number of atoms).

D.
It is balanced because the number of reactants (number of atoms) is equal to the number of products (number of atoms).

Read the information about an experiment.


Jadon plans on carrying out an experiment involving the burning of steel wool to illustrate the conservation of mass. Steel wool is made of iron. When it is burned it combines with oxygen to form iron(III) oxide.

Which step in his experiment is the most important if he wants his experiment to correctly demonstrate the conservation of mass?

A.
The steel wool should be burned inside of a sealed jar or other closed system.

B.
The steel wool should be burned over a long period of time (at least two hours).

C.
The steel wool should be burned in a room that is at room temperature (20–25°C).

D.
The steel wool should be burned in its entirety sExpected Outcomes – Metals in Hydrochloric Acid

Metal Observations
Copper No reaction even when gently heated
Iron Little initial reaction.
More vigorous reaction when heated.
Positive test for hydrogen gas.
Solution turned from colorless to yellow.
Magnesium Vigorous initial reaction; rapid evolution of gas.
Positive test for hydrogen gas.
All of the magnesium seemed to disappear.
Solution remained colorless.
Zinc Initial reaction produced rapid evolution of gas; less vigorous than magnesium.
All of the zinc seemed to disappear.
Solution remained colorless.


Students in Ms. Brown's Science Lab demonstrated several chemical reactions, by placing the each above chemicals in HCl (hydrochloric acid). Unfortunately, the data did not appear to support the Law of Conservation of Matter in any of the experiments. The recorded Mass of the Reactants did not match the Mass of the Products. Based on the expected outcomes listed in the table above, what might be a reason that their demonstrations were not successful?
A.
They only used metals

B.
They perfomed the experiment in a closed system

C.
The experiment was not performed in a closed system

D.
They didn't use enough HCl that no iron is left in its original state.

Answers

Answer:

1) A chemical reaction is shown.

SnO2 + H2 → Sn + H2O

What is true about this chemical reaction?

B.

It is unbalanced because the mass of the reactants (number of atoms) is greater than the mass of the products (number of atoms).

2) Read the information about an experiment.  

Jadon plans on carrying out an experiment involving the burning of steel wool to illustrate the conservation of mass. Steel wool is made of iron. When it is burned it combines with oxygen to form iron(III) oxide.

Which step in his experiment is the most important if he wants his experiment to correctly demonstrate the conservation of mass?

A.

The steel wool should be burned inside of a sealed jar or other closed system.

Explanation:

The explanation to number 1 is that I selected it in my test and got it.

The explanation the number 2 is from the link below:

https://quizizz.com/admin/quiz/5dee60258f1145001bc02ed5/physical-science-2nd-9-weeks-practice-test-2020

The true statement about the given chemical reaction is-It is balanced because the mass of the reactants (number of atoms) is equal to the mass of the products (number of atoms). Therefore, the correct options for all the problems are 1-A, 2-A and 3-D.

What is a balanced equation?

A balanced equation refers to an equation where the number of atoms of each element is the same on both sides of the equation. The given equation is balanced because the number of Sn atoms and the number of H atoms on the reactant side are equal to the number of Sn atoms and the number of H atoms on the product side.

1. The steel wool should be burned inside a sealed jar or other closed system is the most important step if he wants his experiment to correctly demonstrate the conservation of mass.

2. They didn't use enough HCl that no iron is left in its original state might be a reason that their demonstrations were not successful.

Therefore, the correct options are 1-A, 2-A and 3-D.

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But if the male Himalayan rabbit's genotype is c(h)c, and it mates with an albino female whose genotype is cc isn't there a 25% chance that the offspring could be albino? and why can't you breed two Himalayan's together to get a Himalayan?

Answers

Answer: Go-ogle

Explanation: Is helpful

Clearly outline what differentiates Gram +ve bacteria from Gram -ve bacteria?​

Answers

Answer:

Gram positive bacteria have cell walls composed of thick layers of peptidoglycan. Gram positive cells stain purple when subjected to a Gram stain procedure. Gram negative bacteria have cell walls with a thin layer of peptidoglycan.

Please help me!

Explain how some structures in the skin protect your body.

Answers

The primary function of the skin is to act as a barrier. The skin provides protection from: mechanical impacts and pressure, variations in temperature, micro-organisms, radiation and chemicals.

A newly identified virus infects a eukaryotic host cell without producing virions right away, with a long period where the host is largely unaffected by the infection. What's the best description of this virus?
A: This virus rapidly causes lysis of the host cell
B: This virus has a long period of latency
C: This virus is a bacteriophage
D: This virus can't replicate

Answers

The best description of the virus is that the virus cannot replicate. The correct option is D.

What is a virus?

A virus is an infectious agent which is non-living normally, but it becomes alive when come in contact with any living cell. It causes many diseases in humans, animals, and plants.

Here, the virus is not producing virions, which means it doesn't cause lysis. It doesn't affect the host, so do not have a long period of latency, and is not a bacteriophage, so the virus is not replicating.

Thus, option D: This virus can't replicate is correct.

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HELP!!!
Part.2
This is science.

Answers

Answer:

snuflower (common) = Queen anne' s lace

Someone please help ASAPPPP

Answers

I believe the answer is A

Answer:

(its C)

if its right tell me!

why is reproductive isolation insufficient to define a species?

A. This definition overlooks artificial preproduction, such as in zoos
B. Reproductive isolation doesn't take outgroups into account
C. This definition excludes organisms that reproduce asexually
D. Reproductive isolation can be accomplished in a variety of ways

Answers

I haven’t had bio in a while, but I believe that it’s C) since the definition of species is very complicated

The correct option is (c) This definition excludes organisms that reproduce asexually.

Asexual reproduction is also possible in bacteria, yeast, fungi, plants, and other organisms. Most frequently, yeast proliferate by budding. Plants and fungi both use spores for asexual reproduction. Additionally, plants are capable of reproducing asexually by vegetative propagation.Numerous eukaryotic creatures, such as plants, animals, and fungus, are also capable of asexual reproduction. Parthenogenesis, the most prevalent type of asexual reproduction in vertebrates, is frequently employed as an alternative to sexual reproduction when sexual reproduction isn't an option.

What are the 4 types of asexual reproduction?

Asexual reproduction includes fission, budding, fragmentation, and parthenogenesis, while sexual reproduction is achieved through the combination of reproductive cells from two individuals.

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