Answer: Pia mater. The pia mater (Latin: tender mother) is a very delicate membrane. It is the meningeal envelope that firmly adheres to the surface of the brain and spinal cord, following all of the brain's contours
Explanation:
C: Mountains.
Explanation: The two plates collide and push up against each other, forming the mountains
An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.
<span>The function of an ADP, or Adenosine diphosphate molecule, is to assist in the flow of energy throughout the cell. The basic structure of the molecule itself is made up of three main parts - a sugar backbone, which is attached one adenine molecule and two phosphate groups, which is then bonded to a 5' carbon atom of ribose. </span>
