Photosynthesis is an endergonic reaction. why? - a.) the change in free energy is negative. b.) a large amount of energy is required to activate the reaction. c.) a large amount of energy is released during this reaction.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

In the practice of science, this type of reasoning is used to develop explanations.