CHEMISTRY HOMEWORK please someone help! i have a lot of work to do if you can do this for me ILL GIVE BRAINLIEST

- decrease the number of plants and animals living in the water.

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.

chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.