D is the answer for this question. I hope this helped you out. I know it would help me.
The correct answer is <span>Calcium
The question might be phrased in a complicated manner, but the answer is simple. Calcium is essential for bone support and strength which is why dairy products are highly important and should be consumed on a daily basis.</span>
Plants are living beings and need food to grow in a healthy way. Plant food is supplied by the soil, which, in addition to sustaining it, is the deposit of substances from which vegetables feed.
These food substances are called nutrients, and they are all the elements, or chemical compounds, that beings ingest to guarantee the functioning of their body's metabolism and cellular actions. In short: nutrients are the fuel and raw material for life.
Answer:
It was most likely a different climate millions of years ago when those fossils were created hope this helps :)
