Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

I'd say D, all of the above

 d. all of the above

Explanation:

Renewable sources of energy are those sources which can be can be used again when once used. They can be replenish after a single use. These resources does not generate pollution in the atmosphere as compared to the non-renewable sources of energy.

These resources can be used by large group of human population hence, these reduces the social costs.

The energy generated by these resources is cost effective.

The energy produce by these resources does not generate pollution hence, maintains the integrity of the environment by keeping air, water and soil clean.

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus