Animal testing is inhumane and very unnecessary. There are so many different options available, There is no explanation for the poisoning, burning, and killing of about 100 mill animals each year causing them pain & fear. Animals are not little humans, and even tho we share a lot of our genes with other them the way our genes work is different.
True - aerobic respiration requires oxygen and anaerobic does not.
Answer:
I think it would be chronic headaches
Explanation:
I hope this helps!
