Which describes energy in the reaction represented by the graph above? Group of answer choices:

-Energy is required to start the reaction; energy is then absorbed.
-No energy is required to started the reaction; energy is then absorbed.
-No energy is required to start the reaction; energy is then released.
-Energy is required to start the reaction; energy is then released.

answer; /// i believe the correct answer is (reactants);

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: