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olga_2 [115]
3 years ago
5

Which freshwater ecosystem is most productive?

Biology
2 answers:
Andrew [12]3 years ago
6 0

Answer:

Swamp

Explanation:

statuscvo [17]3 years ago
4 0

Answer:

Wetlands

Explanation:

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What is the chance that the offspring will have hair?
11Alexandr11 [23.1K]

Answer:

2 in 4, 50 percent

Explanation:

in the punnet square, you can see that half the boxes ar Hh, which means the offspring will have hair.

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3 years ago
Help ASAP! First one to answer gets a brainly.
Darya [45]

Answer:

Yes

Explanation:

Because

The Yucca Mountain repository is the proposed spent nuclear fuel (SNF) and high-level radioactive waste (HLW) repository where both types of radioactive waste could be disposed. If constructed, it would use a tunnel complex approximately 1000 feet below the top of Yucca Mountain and about 1000 feet above the aquifer underlying the repository. The basic idea of geologic disposal is to place carefully packaged radioactive materials in tunnels deep underground. To achieve this, the Yucca Mountain repository would utilize a mixture of natural and engineered barriers to isolate the waste from the surrounding environment.

It is statutorily limited to containing 70,000 metric tons of spent nuclear fuel and high-level waste, unless a second repository opens during its operational lifetime.

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3 years ago
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Rama09 [41]

Answer:

B.

Explanation:

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Therefore, option B is correct.

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Action potential is a mechanism of transfer of ions across the plasma membrane down their elctrochemical gradient. Action potential is regenerated by the influx of ions such as sodium in case of voltage gated sodium channels. The voltage gated channels can be either open or closed depending on the action potential. Depolarization of membrane leads to the opening of these channels that allow the sodium ions to enter the cell down their electrochemical gradient. The threshold of action potential is reached when the entry of sodium ions out reach the exit of potassium ions from the cell. This leads to the generation of action potential. 
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