Its A= They can release toxic elements into the groundwater or surface water, hope this helped you out some bit :)
Explanation:
carbon and hydrogen
hope it's helpful and have a great day
<span>Phospholipid bilayer is the correct answer. Embossed into the membrane lipid layers, these proteins helps in transport of the compounds inside/outside of the cell. They may also change their structure and conformation for help facilitating the diffusion of the compounds.</span>
The answer is paleoethnobotany. This is a common process in
which the remains of the plants are reserved as they are being studied and in
the same time, they will be recorded or will be placed under the archaeological
records.