Answer:
Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis, oxygen being a by-product.
Explanation:
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Answer:
the amplitude.
Explanation:
The reason why is because an interference is when 2 waves combine to form a wave with a smaller amplitude than either the original wave...It occurs when the crest of one waves overlapes the trough of another wave
Convergent plate boundary forms mountains and things, an example is the Andes mountain range.
Rifts and mid ocean ridges form at divergent boundaries, ex. mid Atlantic ridge.
Transverse boundaries are the ones that move past one another, ex. san andreas fault
One cardiac cycle is .8 seconds. A complete heartbeat is produced in one cardiac cycle. <span>The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole.</span>