Darwin's theory of Natural Selection
The reason why we were unable to read the lab manual through the tubes containing isotonic and hypertonic solution is because the cells in those solutions remained intact, causing the solutions to be opaque, in the tonicity of red blood cells activity. The reason why we can't read the lab manual is because the cells in the solutions remained intact.
Answer:
they make a quick profit for farmers
Explanation:
cash crops are crops that are use to earn money after they are harvested
<span>D.water and carbon dioxide</span>
