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Dmitry_Shevchenko [17]
3 years ago
14

Cells reproduce by splitting in half, a process called cell division. What do cells need to do between divisions to make sure th

at they don’t just get smaller and smaller?
Biology
1 answer:
Aleksandr [31]3 years ago
6 0
What must cells do between divisions to make sure that they don't just get smaller and smaller? a cell must grow. ... The chromosomes split apart and the two sets of sister chromatids (daughter chromosomes) move to opposite ends of the cell.
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Describes how energy is produced from the power of water. In your answer, include the terms: ocean water, turbine, electricity,
lapo4ka [179]

Most hydroelectric power plants have a dam and a reservoir. These structures may obstruct fish migration and affect their populations. Operating a hydroelectric power plant may also change the water temperature and the river's flow. These changes may harm native plants and animals in the river and on land. Reservoirs may cover people's homes, important natural areas, agricultural land, and archaeological sites. So building dams can require relocating people. Methane, a strong greenhouse gas, may also form in some reservoirs and be emitted to the atmosphere. Reservoir construction is "drying up" in the United States  Gosh, hydroelectric power sounds great -- so why don't we use it to produce all of our power? Mainly because you need lots of water and a lot of land where you can build a dam and reservoir, which all takes a LOT of money, time, and construction. In fact, most of the good spots to locate hydro plants have already been taken. In the early part of the century hydroelectric plants supplied a bit less than one-half of the nation's power, but the number is down to about 10 percent today. The trend for the future will probably be to build small-scale hydro plants that can generate electricity for a single community.  As this chart shows, the construction of surface reservoirs has slowed considerably in recent years. In the middle of the 20th Century, when urbanization was occurring at a rapid rate, many reservoirs were constructed to serve peoples' rising demand for water and power. Since  Hydroelectric energy is produced by the force of falling water. The capacity to produce this energy is dependent on both the available flow and the height from which it falls. Building up behind a high dam, water accumulates potential energy. This is transformed into mechanical energy when the water rushes down the sluice and strikes the rotary blades of turbine. The turbine's rotation spins electromagnets which generate current in stationary coils of wire. Finally, the current is put through a transformer where the voltage is increased for long distance transmission over power lines.   Hydroelectric-power production in the United States and the world!

(sorry this is the second part)

8 0
4 years ago
What are the lines of evidence that Alfred Wegener used to support the idea of continental drift? Why did scientists of his day
Zanzabum

Answer:

Wegener presented a number of evidence to prove his plate tectonic theory, such as :

  • The matching of rocks on each side of the Atlantic Ocean like a puzzle.
  • His knowledge hat organisms such as freshwater reptiles were found in almost all continents
  • He also identified organisms that live in different continents, and could not possibly cross over to the other continents due to water bodies (oceans) separating the continents.

Wegener's plate tectonic theory caused doubts to other scientists, because of the way he presented his evidence. Other scientists considered his mechanisms unrealistic

Explanation:

3 0
3 years ago
He variability in marine salinity between habitats does not impact the fish living there.
inysia [295]

Answer:

Sorry, you didnt add the question, I would have helped!

Explanation:

6 0
4 years ago
How do your pets enhance your life? If you do not have any pets, how do you envision a pet would enhance your life?
deff fn [24]

Answer:

pets can help boost your mood

Explanation:

if you do not have any pets you could have slight depression if there is no one to cheer you up such as your companion

4 0
2 years ago
What is plant blindness?
Komok [63]

Answer:

The answer is A.

Explanation:

Plant blindness refers to "the inability to see or notice the plants in one's own environment." The term plant blindness was coined twenty years ago by Elizabeth Schussler and James Wandersee who are botanists. Plant blindness results in "the inability to recognize the importance of plants in the biosphere and in human affairs." It is also the reason why people have a tendency of ranking “plants as inferior to animals”. Therefore, plants tend to receive limited care and upkeep. It is important to recognize plant blindness so that more intentional care can be given to preserving our plant species and ensure their survival and ability to thrive.

4 0
4 years ago
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