The answer is <u>B.</u> <em>from carbon dioxide in the atmosphere</em>
Answer:
Explanation: B IS THE CORRECT ANSWER THAT BIT*H PICKED THE WRONG ANSWER
Are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels around the sun
No muscle contraction will be observed.
<h3>What is the effect of calcium concentration on muscle contraction?</h3>
The concentration of calcium ions in the muscle cells help in contraction and relaxation of muscles fibers.
Release of calcium ions initiate muscle contraction.
Therefore, there will be no contraction of muscle if calcium ions are not transported out from the sarcoplasm.
Learn more about muscle contraction and calcium ions at: brainly.com/question/14760686
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