Answer:
Hydrosphere
Explanation:
Hydrosphere includes all water on the surface of the planet.
Explanation:
Oxidation state of Nitrogen in N2O5 is +5
<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>
Answer:
A.
Explanation:
the gradual movement of the continents across the earth's surface through geological time.