Cells get raw materials- including water, oxygen, minerals and other nutrients from the foods you eat. They let in raw materials through the cell membrane: the thin, elastic structure that forms the border of each cell.
Positive reinforcer
<span>positive reinforcement can lead to adverse effects, and it is implicated in a range of personal and societal problems. If used inappropriately or in excess, it can change the health of a client negatively. </span>
Answer:
Fossil fuels
Explanation:
The definition of "fossil fuel" is "a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms"
B alleles that are expressed