I think A) but not really a lot of info
If you die in space, your body won't decompose naturally, because no oxygen is available. If you were close to a heat source, your body would get mummified; if you weren't, it would freeze. When the body in a space suit was sealed it would decompose, but only for as long as the oxygen remained.
Adhesion
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C) Help with plant defense.
Many species are known to eat many plants, including flowers. To avoid being eaten, thorns in a rose bush help defend itself.
<span>Most X-linked conditions are recessive. This means that in a person with two X chromosomes (most females), both copies of a gene (i.e., one on each X chromosome) must have a change or mutation whereas in a person with one X chromosome (most males), only one copy of a gene must have a mutation. A female with a mutation in one copy of a gene on the X chromosome is said to be a “carrier” for an X-linked condition</span>
