PLEASE HELP 10 POINTS!
Why is humus an effective fertilizer? (Select all that apply.)
It is abundant in inorganic nutrients.
It is dense and does not contain organic matter.
It is rich in organic matter.
It doesn’t need microorganisms to decompose matter
Answer:
It is rich in organic matter.Explanation:
Humus is organic material formed when an animal or plant decays.Humus is formed by the decomposing action of soil microorganisms.What is an example of a population with the ingredient for species? Would it be evolution?
All members of a species that dwell in the same region are referred to as a population. You are a member of your hometown's human population. A freshwater pond is home to a variety of species, including mallard ducks and cattail plants growing on the pond's border. Basically, a population is a collection of individuals of the same species that live in the same geographic region and interbreed. Many animals have several populations that are spread across a wide range of geographic locations.
What do scientists use organisms' shared characteristics to do?
A) classify the organisms
B) find the organisms' ancestors
C) locate the organisms
D) determine where the organisms live
T A C G T G G A C T G A G G A C T C C T C is this a 'sense' strand or 'antisense' strand?
The information provided is NOT sufficient to indicate if the TACGTGGACTGAGGACTCCTC sequence is a 'sense' strand or 'antisense' strand.
What is a sense DNA strand?DNA is a double helix molecule composed of two long chains of nucleotides linked by hydrogen bonds.
During transcription, the sense DNA strand is actively used as template to produce a complementary RNA molecule.
In consequence, it is required to know the sequence of the resulting RNA to determine if the sequence above belongs to a 'sense' strand or 'antisense' strand.
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Answer:
C
Explanation:
The author probably wrote this Article in order to
Answer:
c
Explanation:
it's the one that is most likely
In the early stages of development all animals begin as what?
Which taxonomic group will have organisms that share
the most
where do the decomposers come in the food chain if the pyramid gose like
coyotes
rattlesnake
kangaroo rats
sagebrush
where do the decomposers fit and why
Answer:
Usually at the bottom
Explanation:
final link in food chain. they break down dead plants/animals and returns vital nutrients to soil
Very fast brainlist
One person consumes the equivalent of five cows per year. Five cows consume a total of 39 million Calories of vegetation per year. One person only needs one million Calories a year to survive. Which statement best describes the efficiency of energy transfer in this scenario?
It is very efficient because the person can eat less.
It is inefficient because less energy is needed at the top.
It is very efficient because most energy is made by producers
Only a portion of energy from vegetation makes it to a person.
Answer:
It is very efficient because the person can eat less.
Explanation:
the common knowledge answer
Only a portion of energy from vegetation makes it to a person. The correct option is D.
What is energy efficiency?The definition of energy efficiency is the use of less energy to carry out a task or achieve a goal.
Ecological efficiencies at each trophic link determine the food chain efficiency (FCE), which is calculated as the percentage of energy fixed by primary producers that is transmitted to the top trophic level.
The energy supply accessible to trophic level N+1 divided by the energy used by trophic level N is the definition of ecological efficiency.
Only a percentage of the energy from vegetation makes it to a person, which best sums up the efficiency of energy transmission in this situation.
Thus, the correct option is D.
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Which sustainable building practice does the photograph show?
A. Using a green roof to capture carbon and reduce a building's
energy costs
B. Reusing old bottles and cans as insulating building materials
C. Reducing fossil fuel consumption and its associated pollution
D. Replacing wilderness with buildings to reduce the absorption of
carbon dioxide
Reusing old bottles and cans as insulating building materials is the sustainable building practice. Therefore, option (C) is correct answer.
Sustainable building practices aim to minimize the environmental impact of construction and operation of buildings while enhancing the health, well-being, and productivity of occupants. These practices involve incorporating environmentally responsible methods and materials into the design, construction, and operation of buildings.
Therefore, reusing old bottles and cans as insulating building materials is the sustainable building practice.
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what dose the word milestone mean
Answer:
it is a stage in life
Explanation:
because it shows how one has progressed or developed
True or false? All cells share four key components: plasma/cell membrane, ribosomes, DNA, and cytoplasm.
Answer: True
Answer:
TRUE
Explanation:
Brainliest
how would you go about a driver who is driving recklessly on the free way or any road you encounter
Answer:
Drive from as far away from them as possible. Attempt to speed past them.Or, call the police.According to cell theory, which are made of cells? Check all that apply.
kitten
bacteria
cactus
mushroom
rock
Answer:
Kitten
Cactus
Mushrooms
Bacteria
so all but Rock
Because only living things have cells
The half-life of potassium-40 is 1.3 billion years. If a rock specimen contained 1g of
potassium-40 when it was formed, how much potassium-40 would be left if the rock is 2.6
billion years old?
Answer:
2.6 billion years
Explanation:
There are essentially two ways of solving nuclear half-life problems. One way is by applying the half-life formula, which is
A
(
t
)
=
A
0
(
t
)
⋅
(
1
2
)
t
t
1
2
, where
A
(
t
)
- the quantity that remains and has not yet decayed after a time t;
A
0
(
t
)
- the initial quantity of the substance that will decay;
t
1
2
- the half-life of the decaying quantity;
In this case, the rock contains
1/4th
of the orignal amount of potassium-40, which means
A
(
t
)
will be equal to
A
0
(
t
)
4
. Plug this into the equation above and you'll get
A
0
(
t
)
4
=
A
0
(
t
)
⋅
(
1
2
)
t
t
1
2
, or
1
4
=
(
1
2
)
t
t
1
2
This means that
t
t
1
2
=
2
, since
1
4
=
(
1
2
)
2
.
Therefore,
t
=
2
⋅
t
1
2
=
2
⋅
1.3 = 2.6 billion years
A quicker way to solve this problem is by recognizing that the initial amount of the substance you have is halved with the passing of each half-life, or
t
1
2
.
This means that you'll get
A
=
A
0
2
after the first 1.3 billion years
A
=
A
0
4
after another 1.3 billion years, or
2
⋅
1.3 billion
A
=
A
0
8
after another 1.3 billion years, or
2
⋅
(
2
⋅
1.3 billion
)
The earth is sometimes described as a giant magnet. True or false?
Who would have first made this statement while observing cork under a microscope?
"The cork looks like little rooms, or cells.”
Hooke
Schleiden
Leeuwenhoek
Virchow
Answer:
Robert Hooke
Explanian
Hooke observed a thinly sliced piece of cork under a microscope and noticed they looked like the cells that monks would sleep in. That's why cells were given their name!
On the Galápagos Islands, Charles Darwin observed Question 1 options: completely unrelated species on each of the islands. species exactly like those found in South America. species similar to mainland South American species. species completely unrelated to those found in South America.
We can confirm that on the islands, Charles Darwin observed species similar to mainland South American species and to those found on the other islands.
What did Darwin notice about these species?Darwin noticed that each of these species were very similar, but possessed slightly different traits. These traits seem to perfectly fit the needs of each species for their specific island, leading to his creating the theory of evolution through natural selection.
Therefore, we can confirm that on the islands, Charles Darwin observed species similar to mainland South American species and to those found on the other islands.
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Brown hair is dominant and blonde hair is recessive.
The parents have the following alleles.
Bb
Bb
What color hair do the parents have?
A. One has blonde and the other has brown
B. Brown
C. Blonde
d. unable to determine
Given what we know, we can confirm that the parents have brown hair.
This has to do with how dominant alleles work. When an allele is dominant, it is because, in the presence of mixed alleles, this trait will always be the one reflected in the phenotype of the individual. Since the parents possess an allele for brown hair and one for blonde, but brown hair is dominant, both parents will have brown hair.
Therefore, we can confirm that both parents will have brown hair due to the dominant nature of the brown hair allele.
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Discuss the relationship between Gibbs free energy, redox reactions and cellular respiration in mitochondria.
Cellular respiration is a redox process that mainly occurs in mitochondria, whereas Gibbs's free energy refers to the energy in a closed system.
What is cellular respiration?Cellular respiration refers to the oxide reduction reactions (redox) associated with the production of energy in aerobic cells.
Cellular respiration occurs in the cytoplasm (glycolysis) and mitochondria (Krebs cycle and oxidative phosphorylation).
Finally, in thermodynamics, the Gibbs free energy refers to the energy generated in a closed system.
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A Gram + bacterium that inhibits the growth of other Gram + bacteria is an example of what?
Answer:
The selenium particles when coated on paper towels were extremely effective and continuously inhibited (about a 90% reduction) the growth of gram-positive bacteria including S. aureus and S. epidermidis after 24, 48, or 72 hours.
Different________show very different characteristics or variations, however you can also have_______within the same species.
A. Evolutionary animals, major differences
B. Species, variation
C. Animals, subspecies
D. Evolutionary animals, subspecies
Why would a cancer cell need to induce angiogenesis? 1.53
Answer:
Why is angiogenesis important in cancer? Angiogenesis plays a critical role in the growth of cancer because solid tumors need a blood supply if they are to grow beyond a few millimeters in size. Tumors can actually cause this blood supply to form by giving off chemical signals that stimulate angiogenesis.
Which makes viral infections difficult to defeat?
• A. Macrophages work slowly.
•
B. The immune system must attack the body's own cells.
•
C. Viruses are attacked by a nonspecific immune response.
D. Viruses live outside of cells.
The statement 'the immune system must attack the body's own cells' makes viral infections difficult to defeat.
What is an infection?Infection is a type of harm that the organism suffers when pathogenic microorganisms and viruses enter the body.
Pathogenic microorganisms include, for example, bacteria, fungi, and virus entities.
These pathogenic microorganisms/entities have specific antigens which can be recognized by the immune system.
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Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.
A. ash
B. dissolved gases
C. silica content
D. temperature
The only word among the available words that do not fit the pattern would be temperature.
Words and relationshipAsh, dissolved gases, and silica content are similar in the way that all of them are made up of matter.
Matter refers to any substance with weight and is able to occupy space. Ash is made from solid particles. dissolved gases are gases, and silica contents are also from solids.
Temperature, on the other hand, is a scalar quantity. It is not something that can be held or seen. It has no weight and neither does it occupy space.
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Play the spectrogram at normal speed and slowed down. How many calls did the bats make?
Answer:
Bat echolocation calls vary in their dominant frequency approximately between 11 kHz (e.g. Euderma maculatum; Fullard & Dawson 1997) and 212 kHz (Cloeotis percivali; Fenton & Bell 1981). Most insectivorous bats call with dominant frequencies between 20 kHz and 60 kH
Amoebae move and engulf food by using pseudopodia, which is Latin for ___ ____
(two words)
Answer:
false feet
Explanation:
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Which of the following does a graph not do?
It shows a visual display of a relationship
.It can display different relationships with different graphs
.It always shows dots in a random order.
It displays linear relationships with a straight line.
Answer:
It always shows dots in a random order.
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If a person with Klinefelter’s syndrome wanted to look more like an average male, what medical treatment could help accomplish this?
What are the four features of minerals? (use complete sentences and your own words.)
(NO LINKS PLEASE)
Answer:
1)All minerals are naturally occuring.
2)They have to have a crystalline structure and a definite chemical composition.
3)They are inorganic.
4)They are a solid.
Explanation:
1-You have to find a mineral in the nature. It cannot be created in a lab.
2-Crystallline structure is the ordered arrangement of ions, molecules, or atoms in an object.
3-Inorganic means that the object has not bonded with carbon.
4-Solid means that it is not fluid and is hard and stable.
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