Explanation:
HIV attacks a specific type of immune system cell in the body. It's known as the CD4 helper cell or T cell. When HIV destroys this cell, it becomes harder for the body to fight off other infections. When HIV is left untreated, even a minor infection such as a cold can be much more severe.
Answer:
Use hcfc and no using (cfc).
One also can refuse using air corn and also car pole
Safe the electric or just us the solar energy.
Plant more tree and do 3 r
All carbohydrates are made up of carbon, oxygen, and hydrogen.
The chemical formula for Glucose is

.
The chemical formula for Fructose is the same as that of Glucose. The difference between the two is how they are structured.
The chemical formula for Sucrose is

.
As you can see in the chemical formulas of Glucose, Fructose, and Sucrose, they are all made up of the elements carbon, hydrogen, and oxygen.
The microscopic observations of cells form the basis of the cell theory and the idea that all living things are composed of cells; cells are the structural and functional unit of living things.
A possible explanation of a scientific question based on observation