Describe the temperature of the continental crust
In 1 minute, a mass of 9 000 kg of water flows through the turbines.
The speed of the water is 30 m/s
Calculate the total kinetic energy of the water passing through the turbines in 1 minute.
Answer:
1/2 x 9000 x 30x30=4050000 joule
Explanation:
4050000 energy
In what ways might the use of adult stem cells be better than the use of embryonic stem cells?
Which environmental change occurs most rapidly?
Answer:
volcanic eruption
Explanation:
"The environmental change that occurs faster is definitely volcanic eruption. It may happen in an instant and destroy everything in its way, whereas the process of regrowth of forest after volcanic eruption is a slow one."
Answer:
Abrupt climate change.
Explanation:
Abrupt climate change is climate change that occurs relatively rapidly. Our understanding of past abrupt climate changes and their causes is still in its infancy; most of the research on this topic has occurred since the early 1990s.
name the ingrident that contains starch in the sauce
Answer:
here...
Explanation:
Cornstarch: Cornstarch, cornflour, or maize starch is the starch derived from the corn (maize) grain or wheat. The starch is obtained from the endosperm of the kernel. Corn starch is a popular food ingredient used in thickening sauces or soups, and is used in making corn syrup and other sugars.
If a female fruit fly heterozygous for red eyes (X RX r) crossed with a white-eyed male (X rY), what percent of their offspring would have white eyes? (Draw a Punnett Square.)
Answer:
6.25%
Explanation:
Given that:
The trait of a female fruit fly that is heterozygous for red eyes = XRXr; &
The trait of a white-eyed male is XrY_ ;
since Y is dominant y; the male trait can either be XrYR or XrYr
So, let assume that it is XrYr
Then; if each trait self crossed; we have:
XRXr = XX Xr XR Rr
XrYr = XY Xr rY rr
Thus, the punnet Square can be computed as:
XX Xr XR Rr
XY XXXY XXYr XXYR XRYr
Xr XXXr XXrr XXRr XRrr
rY XrYX XxYr XrYR RrYr
rr XrXr Xrrr XrRr Rrrr
∴
the percentage of offspring that would have white eyes XrY_ is:
1/16 = 0.0625
= 6.25%
What are two reasons why cell division is important to living things?
Answer:
Explanation:
repair of damaged tissues healing and regeneration,Hope this helps
What is the difference in terms of function and structure for arteries and veins?
4. The results of a genetic process are represented in the diagram.
allele a
allele A
allele bad
allele B
Homologous Chromosomes
Which of the following would increase due to the process shown above?
Answer:
— cellular organelle is represented by the diagram below? A) cell wall. B) molecules ... of bacteria that reproduce by the process shown below. Which statement ... A) the same genetic information as both of its parents. B) different genetic ... Asexual reproduction of a diploid cell normally results in new cells that ...
Explanation:
Time Period 1
(Oldest)
Time Period 2
Time Period 3
(Newest)
Fossil A
Fossil B
Fossil C
What can you conclude from this information?
A. Fossil C was best adapted for a dry environment because their population increased in Time Period 3.
OB. Fossil B struggled to survive in a dry environment because there are none of Fossil B in Time Period 1.
O C. Fossil C survived best in a rainy environment because there is a large population of them in Time Period 3.
OD. Fossil A was better adapted to a dry environment because there is a large population of them in Time Period 1
Answer:
Explana⊃tion:
The number of penguins can be used to monitor changes in temperature of the environment. Temperature readings could also be taken using a thermometer. What is the advantage of using penguins, instead of a thermometer, to monitor changes in temperature of the environment?
Answer:
Living organisms show long-term changes
Explanation:
The changes in climatic conditions can be evidenced by monitoring populations of wild species which are forced to adapt to survive. Penguin populations can help us not only to monitor but also to predict climatic fluctuations (e.g., temperature changes associated with Antarctic warming) in a whole context. Fluctuations in penguin populations in the Antarctic region show structural changes in the food chain, thereby population monitoring provides a means of assessing climate change as a whole, in the long term.
What is the process of mRNA creating a protein?
In the first step, the information in DNA is transferred to a messenger RNA (mRNA) molecule by way of a process called transcription. ... The mRNA sequence is thus used as a template to assemble—in order—the chain of amino acids that form a protein. Figure 2: The amino acids specified by each mRNA codon.
Answer:
This process is called protein synthesis, and it actually consists of two. The enzyme is ready to make a strand of mRNA with a complementary sequence of bases.
Explanation:
(GIVING BRAINLIEST!!)
Which water reservoirs contain fresh water?
A) Groundwater and oceans
B) Lakes and glaciers
C) Lakes and oceans
D) Oceans and rivers
Answer:
B
Explanation:
both of these don't move.
Just look at it jehjdbd
Answer:
A increase or decrease in temperature
Explanation:
(Image below) PLEASE HELP!
What 3 systems get put to work when a beaver is building a home and how?
Answer:
beaver dams smooth out water flow by increasing the area wetted by the stream. This allows more water to seep into the ground where its flow is slowed. This water eventually finds its way back to the stream. Rivers with beaver dams in their head waters have lower high water and higher low water levels.
Explanation: Brainlest plz?
Answer:
♀️
Explanation:
What is the critical mass of a species?
A:The weight of all representatives of a species.
B:The weight of the last representative of a species.
C:The number of individuals that must exist for a species to continue.
Answer:
The number of individuals that must exist for a species to continue
Explanation:
I just had it on a quiz. Can I have brainliest?
The critical mass of a species is the number of individuals that must exist for a species to continue. Therefore, the correct option is C.
What is the critical mass of a species?The critical mass of a species refers to the minimum number of individuals that are required for a population to maintain its viability and continue to survive and reproduce in a given environment. This is also known as the minimum viable population (MVP) size.
The concept of critical mass is important in conservation biology because small populations are often more vulnerable to extinction due to genetic factors, environmental fluctuations, and other factors.
Therefore, understanding the critical mass of a species is significant for determining appropriate conservation strategies and protecting endangered species. Therefore, the correct option is C.
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How did Hershey and Chase use radioactivity to draw a conclusion about proteins and DNA?
Hershey and Chase studied bacteriophages which are viruses that attack bacteria. They labeled the bacteriophage with radioactive isotopes to see where it goes when a virus attacks.
What is Hershey and Chase experiment?They discovered that nearly all the radioactivity was found in phosphorus, confirming that DNA contains genetic material, not protein.
The final experiment, also known as the Waring Blender experiment, in which Hershey and Chase demonstrated that phages only injected their DNA into host bacteria and that the DNA acted as the replicating genetic element of phages, is the Hershey-Chase experiment that is most well-known.
Hershey and Chase discovered proof that phages introduced their DNA into host bacteria in the prior experiment.
Therefore, Hershey and Chase studied bacteriophages which are viruses that attack bacteria. They labeled the bacteriophage with radioactive isotopes to see where it goes when a virus attacks.
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List at least 2 advantages and 2 disadvantages of selective breeding.
Answer:
The advantages of selective breeding can include improved quality and higher ... breeding are positive for humans but an awareness of the disadvantages can help
Explanation:
Answer:
well u get two different breeds together and u get the feature of both breeds
there be a petulant medical issue or it could be that there is a issue during birth
Explanation:
a group of that works together are called organs
Answer:
Tissues.
Explanation:
A group of distinct tissues work together & make up an organ which in turn makes an organ system.
A hemisphere experiences summer when _____________ .
A) it is tilted toward the Sun
B) it is tilted away from the Sun
Answer:
A
Explanation:
tilted towards sun....
Need quick please thanks
Answer:
the last answer
Explanation:
sorry if its wrong
Answer:
The mouse must be ff.
Describe how the stages of mitosis result in the formation of two diploid cells (6 Marks)
Mitosis is a type of cell division in which a diploid body cell copies itself and finally divides into two identical diploid daughter cells . The daughter cells are clones of each other.
Explanation :
The stages of mitosis in detail.
Stage What happens
Cytokinesis The cell membrane pinches in and eventually divides into two daughter cells
Mitosis is defined as the cell division in where a diploid body cell copies itself and finally divides into two identical diploid daughter cells . The daughter cells are clones of each other.
What are the stages of mitosis?There are four stages of mitosis namely prophase, metaphase, anaphase and telophase.
1) Prophase is first phase in which chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres.
2) Metaphase is 2nd stage where chromosomes line up along the metaphase plate (centre of the cell).
3) Anaphase is the main 3rd stage where sister chromatids are pulled to opposite poles of the cell.
4) Telophase is last stage where nuclear envelope reforms, chromosomes unfold into chromatin, cytokinesis can begin.
Mitosis during which the cell makes preparations for and completes cell division only takes about 2 hours.
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NEED HELP!!! How do vestigial organs provide evidence for the theory of evolution? A Vestigial organs show differences between our DNA and the DNA of amoebas. B Vestigial organs show traits that a species once needed to have to perform certain tasks. C Vestigial organs show the variation in genes that can exist within one species. D Vestigial organs show how many cells organisms of a species once had.
Answer:
Vestigial organs show traits that a species once needed to have to perform certain tasks
Explanation:
B. Vestigial organs provide evidence for the theory of evolution:
"Vestigial organs show traits that a species once needed to have to perform certain tasks."
What do you mean by vestigial organs?
"Vestigial organs are the organs that have no apparent function and are considered to be the residual parts from the past ancestors."
What is theory of evolution?
"Theory of evolution is a scientific theory of the origin of species of plants and animals."
What do you mean by species?
"A species is often defined as a group of organisms that can reproduce naturally with one another and create fertile offspring."
What is a trait?
"A trait, as related to genetics, is a specific characteristic of an individual."
How are vestigial organs related to theory of evolution?
"Vestigial organs are often homologous to organs that are functioning normally in other species. Therefore, vestigial organs can be considered evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time."
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is revan strong with the force
Answer: Revan in his prime is one of the most powerful force users in legends history, more powerful than the likes of Mace Windu, Darth Bane, Satele Shan, Kenobi, Anakin, or Darth Malgus, and being overpowered by Yoda(maybe), Luke Skywalker(legends), Darth Vitiate, Darth Sidious, and Darth Caedus/Jacen Solo.
Explanation:
PLEASE HELP!!!!! Describe in detail the process of dna replication
Answer:
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. The replication process relies on the fact that each strand of DNA can serve as a template for duplication. DNA replication initiates at specific points, called origins, where the DNA double helix is unwound. A short segment of RNA, called a primer, is then synthesized and acts as a starting point for new DNA synthesis. An enzyme called DNA polymerase next begins replicating the DNA by matching bases to the original strand. Once synthesis is complete, the RNA primers are replaced with DNA, and any gaps between newly synthesized DNA segments are sealed together with enzymes. Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.
hope this helps
Suppose you are determining the growth rate of two species of plants. Species A is 25 cm tall and grows 3 cm per month. Species B is 10 cm tall and grows 8 cm per month. Which system of equations models the height of each species H(d) as a function of days d. H(d) = 25 + 3d H(d) = 10 + 8d H(d) = 3 + 25d H(d) = 8 + 10d H(d) = 25 + 3d H(d) = 8 + 10d H(d) = 2 + 8d H(d) = 25 + 10d
Answer:
H(A) = 25 + 3m and H(B) = 10 + 8m
Explanation:
Let H(A) is the height of species A as a function of months m while H(B) is height of species B as a function of months m.
For Species A,
H(A) = 25 + 3m
For species B,
H(B) = 10 + 8m
Hence, this is the required solution.
Both metamorphic and igneous rocks have crystals. How could we tell the difference between the two types? What would you look for?
Answer:
igneous rock does not usually have a definite crystal shape
Explanation:
because it is formed from molten magma. after it is cooled and dried. anything caught by the molten magma retains it's shape after cooling
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What does Darwin's controversial book, On the Origin of Species by Means
of Natural Selection, illustrate?
A
the importance of variations in organisms
B
that traits affect how likely an organism is to reproduce
С
how species evolve by adapting to their environment
D
all the above
Answer:
D
all the above
Explanation:
Hope this will help
Answer:
D
all the above
Explanation:
Correct
Martime tropical air masses contain what type of air?
O cold and dry air
O hot and moist air
O cold and moist air
O hot and dry air
Answer:
77
Explanation: