Answer:
It should be Carbon Cycle!
Explanation:
The other answers aren't involved with carbon. Hope this helps.
Answer:
C) amoeba and bacteria
Explanation:
Both are single celled organisms
Answer:
not sure exactly what you're asking, but marine fish are evolved to live in salt water, and therefore cannot breathe properly in freshwater
Answer:
Hidden inside ovules, Embryo sac
Explanation:
Angiosperms are a group of plants that have flowers as their reproductive structures.
The ovule is a structure found on the flower that gives rise to and contains the female reproductive cells.
It is the female gametophyte of a seed plant. It is found inside the ovules. that consists of a thin walled sac within the nucellus and contains the egg nuclei and other nuclei that become endosperm upon fertilization.
The answer is most likely testing. scientists test their data againt their hyputhesis.
