Because the soil didn't have the same nutrients it has now due to lack of decomposition of other plants and animals.
Answer:
They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot. Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly.
Explanation:
Water is more of a radical it brings moisture and it has great power in its surf clouds are made from the moisture water is like a power sorce for storms and other things
A virus is a microscopic parasite that infects cells in biological organisms, they reproduce only by invading and controlling other cells as they lack the cellular machinery for self reproduction. Additionally, viruses contain at least one unique protein synthesized by specific genes in the nucleic acid, the proteins forms a shell called capsid around the nuclei acid.
