Increased volcanic activity will cause an increase in the concentration of the gas which can cause a in the global temperature.

Increased volcanic activity will cause an increase in the concentration of the gas carbon dioxide, sulfur dioxide, hydrogen sulfide, carbon monoxide and in some cases water vapor, which can cause a increase in the global temperature.

These gases can create a replica of Earth's greenhouse effect.

The correct answer is First an animal eats another organism.Then ,food is broken down into smaller molecules.Next,the animal"s cell use molecule to make new cell.

Explanation:

The above 3 sentences deals with with the flow and utlization of energy in an ecosystem.

              In the first step an amimal is eating another organism thus getting nutrients from the later.Then the intaked nutrients are broken down inside the body of that animal by digestion and metabolism through various enzymatic steps to generate energy along with monomeric constituents of the intaked nutrients which are finally used in by that animal to make new cells.