Answer:
phosphorus
Explanation:
Since Phosphorus is an essential component of phospholipids, nucleic acids, phosphoproteins (casein), high energy phosphate esters (ATP), hexose phosphates, creatine phosphate, it also provides strength to the exoskeletons of clams and oysters.
Draw a diagram showing marbles (being stars) farther away but around books (being planets).
Plants need energy from the sun, water from the soil, and carbon from the air. The plant uses the carbon to form the leaves and stem and roots. I can go more into detail in the comments if you need.
Animals- that have thick layer of blubber or fur
is the correct answer......
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Explanation:
under what circumstance does a negative cell presents An antigen to another negative cell
