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disa [49]
2 years ago
13

Calcium and phosphorus are both essential for the proper growth of

Biology
2 answers:
Vika [28.1K]2 years ago
8 0

Answer:

All of the above

Explanation:

Calcium is very good for strong bones and also hair and fingernails.

enot [183]2 years ago
3 0

Answer:

The real answer is A.

Explanation:

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The phenomenon of multiple, overlapping action potentials gradually building muscle tension is called:
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The answer is graded potential<span>. Its made of various action potentials that depolarise the neuron incrementaly, in short interspersed intervals that do not give time for the neurons to return to resting potential. Therefore, the actions potentials, of varying sizes, grade up in  sum and when they cumulatively reach the threshold level, they invoke an impulse in the nerve</span>




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3 years ago
Our atmosphere contains 78% free
Alenkinab [10]

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nitrogen

Explanation:

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WILL MARK AS BRAINLIEST -Provide 3 ideas from Juliet's speech and 3 ideas from "The Raven" that show how each speaker uses reaso
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What are some similarities and differences between landslides and creeps? Thank you!
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7 0
2 years ago
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