The is also called the dark reaction in photosynthesis.

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

. ph changes the ability of them he enzyme to dissolve in water.