Answer: A.) The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms.
Explanation: Nitrogen is an essential nutrient for plants and a significant component of proteins, which all animals need to grow, reproduce and survive. The nitrogen cycle converts nitrogen into compounds that plants and animals can use.
For Low mass stars: <span>protostar > main sequence star> red giant > white dwarf</span>
Answer:
Cells come from other living cells
All living things are composed of one or more cells
The cell is the basic unit of life.
Answer:
Write a lab report that summarizes his experiment