What changes occur to chemical bonds during a chemical reaction?

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time

Animals have a variety of adaptations,including trachea and gills, which allow this key process to occur. which provides the molecules necessary for cellular respiration and efficient atp synthesis?