The first two. I forgot what they are called but i know its the first two. Hope this helps :)
Answer:
<h2>The source rock is the rock that contains the kerogen that the oil and gas forms from. The reservoir rock is the porous, permeable Rock layer or layers that hold the oil and gas. This migration occurs because oil and gas are less than than water.</h2>
C. It can pollute the groundwater.
True as we need need water to produce roughage and without roughage we cannot digest food.
Answer:
The answer is the 2nd trophic level.
Explanation:
Primary consumers get only 10% of the energy produced by plants that they eat. The higher you go up on the trophic scale, the less energy there will be.