The reason people who have AIDS can't fight it off is because it is an immune disease it quickly weakens the immune system and makes a persons body too weak to fight anything off.
Answer:
All living organisms are made up of one or more cells, which are considered the fundamental units of life. Even unicellular organisms are complex! Inside each cell, atoms make up molecules, which make up cell organelles and structures. In multicellular organisms, similar cells form tissues.
Explanation:
The answer is C. El Niño would cause changes in the genetic makeup of organisms.
Answer:
81.64
Explanation:
pie x diameter = circumference