A. True
They are formed behind an obstacle when the wind blows the sand up to it.
<span>Many life forms consist of a single cell. As well as simple bacteria, there are more complex organisms, known as protoctists. Unlike bacteria, they have complex internal structures, such as nuclei containing organized strands of genetic material called chromosomes. Most are single-celled, but some form colonies, with each cell usually remaining self-sufficient.</span>
B.) solvent; its temperature is raised so it can break down the solute easier
Answer:
100%
Explanation:
Cell is the structural and functional unit of life. Without Cell, an organism can never be created.