Answer:
Scientists have determined that humans are disrupting the nitrogen cycle by altering the amount of nitrogen that is stored in the biosphere. The chief culprit is fossil fuel combustion, which releases nitric oxides into the air that combine with other elements to form smog and acid rain.
Explanation:
Answer:
Only in meiosis does the amount of chromosomes change, not in mitosis, so each of the daughter cells will also have 32 chromosomes
Explanation:
The correct option is PHYLUM.
Scientists arranged living organisms into groups on the basis of the traits which they share with one another. The lowest rank in the groups is the specie while the kingdom is the highest rank. The ranks are arranged as follow:
Specie < Genus < Family < Order < Class < phylum < Kingdom.
Thus, the phylum is a combination of many classes.
