Explain how a gas is used to move a hot air balloon

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Which statement best describes the function of enzymes?

Scientist think that animals with remarkably similar embryo development probably shared a common ancestor