Answer:
Years of pressure on remains sediments and plants.
Explanation:
Stage 1- Over millions of years, layer after layer sediments and other plants and bacteria were covered with soil.
Stage 2 - As they became buried ever deeper, heat and pressure began to rise.
Stage 3- The amount of pressure and the degree of heat, along with the type of biomass, determined if the material became oil or natural gas.
Fitness would refer to the relative ability of an organism to survive and produce fertile offspring. It is a <span>measure of an organism's ability to survive and produce offspring relative to other members of a population. Hope this answers the question.</span>
A cell wall because a cell wall protects the plant from any damage
B. thick atmosphere
You can also use quizlet to look up answers also, I'm in college and they have never failed me.
<span>1. Atmosphere (gas)
2. Oceans (Water)
3. Crust (Light colored, low density rock)
4. Mantle (Dark colored, high density Rock)
5. Core (Iron + Nickel)</span>