There are about 250 chemicals that are harmful including carbon monoxide and ammonia.
The criteria pollutants are carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide.
Answer:
23 pairs
Explanation:
Humans normally have 23 pairs of chromosomes, which equals 46 (23 pairs, 23*2=46) total chromosomes. 22 of the pairs are autosomes. They store the genes. The other pair is the sex chromosomes. They decide whether the person is male or female.
What do the different organelles tend to have in common? What are their common differences?
