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Sergio [31]
3 years ago
5

Peter, who lived 200 years ago, had a house with no rats in it. One day, his wife

Biology
1 answer:
antiseptic1488 [7]3 years ago
6 0

Answer:

1 is always rifht

Explanation:

i think so

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Centrosome is the region of chromosome where two sister chromatids are connected.
Zinaida [17]

False, that is a close answer and can be easily confused with the right answer which is "Centromere" it is the specialized region of the chromosome where two sister chromatids are most closely attached.

The centrosome is like the organization center in the process of cell division. Has two centrioles.

8 0
3 years ago
Why are changes in the global carbon cycle important?
ivolga24 [154]

Answer:II) Deforestation and suburbanization reduce an area's net primary productivity.

III) Increasing atmospheric concentrations of carbon dioxide could alter Earth's climate.

IV) By using fossil fuels we are destroying a nonrenewable resource.

Explanation:

The global carbon cycle can be defined as the cycle of carbon in which the carbon is transformed and changed into forms while transferring to atmosphere, land, ocean and in the form of fossil fuels.

The deforestation and suburbanization processes will likely to affect the contribution of the plant in the net primary productivity generate due to photosynthesis process that involves the production of carbon products in the form of glucose by atmospheric carbon dioxide.

The increase in atmospheric concentration of carbon dioxide through the burning of fossil fuels is likely to warm the earth climate. The burning of fossil fuel is likely to increase the abundance of carbon dioxide in the air.

The fossil fuels are the source of non-renewable resource utilized for the purpose of generation of thermal energy. These resources once consumed will not get replenished thus this will reduce the carbon level produced due to burning of fossil fuels in the future.

4 0
3 years ago
Approximately how long would it take for a climax forest to return after a major disruption?
Darina [25.2K]

The answer is C; hundreds of years

4 0
3 years ago
Species will not evolve into new species over many generations. A new species happens quickly.
amid [387]
False ? I think not sure
5 0
3 years ago
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Both ways of inducing active immunity (vaccines and direct environmental exposure to an antigen) will ultimately result in the p
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More than likely IgM.
(Then followed by IgA and IgE antibodies) 

8 0
2 years ago
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