I had the same question and the answer was C OR A.
D! The Cell membrane in found in all cells, and it is a single (mono) layer.
To prevent cancer, over exposure to radiation
4. Which of the following methods of soil conservation uses the roots of plants as anchors in the soil?
<span>Planting trees on sloped surfaces.
In this way, soil erosion is minimized as well as the amount of water run off.
5. </span><span>Which of the following soil components results from the breakdown of parent material?
</span><span>Minerals</span>
