<span>A because an ecosystem includes all the living and nonliving things within an area :)</span>
The main difference is the way how the three of those cycles are performed. For example, as nitrogen is abundant then it cannot be used by plants or animals in its gas form. The Carbon cycle does not need an especial process like the one of the Nitrogen. Plants can take carbon dioxide and is used for the photosyntesis process. All three cycles are found in soil. Oxygen cycles recycles the oxigen.
The answer is B bescause the volume is not io
hope it help u☺
The answer for the question is; during the first trimester. This is because taking recommended dosage of folate starting at least one month before conception and during the first trimester of pregnancy reduce the baby's risk of neural tube defects by up to 70%.