HEL PLEAS ILL GIVE BRAINLIEST AND POINT (you dont need to answer them both but at least help me with one)

Why has the Ugandan government pushed Abstinence as a means of combating the spread of HIV/AIDS?

On a separate piece of paper, construct a population pyramid to illustrate the current age groups infected by HIV/AIDS in Uganda.

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.