I would say "B', as polar bears don't actually have to get in water at all!
the answer is a <u><em>phospholipid bilayer</em></u>
it's called phospholipid because it's made of a group of lipids that has a phosphate group and bilayer because it's made of hydrophilic heads that are exposed to the solution and hydrophobic tails that are directed inwards
The answer for this would b D
Answer:
The precambrian would finish in mid-november, the paleozoic would end in mid-december, humans would show up at the end of December.
Explanation:
The precambrian period is the longest period in terms of earth's formation and development of several species. The paleozoic (belongs to the cambrian period) is a continuation of the previous era with other species that devedloped in the seas. Human evolution is actually short and brief in terms of prehistoric geological registry, as humans appeared much more towards the end in earth's prehistoric registry (the end of the cenozoic).