Answer:
its the level of acid in substances
you put the amount of a item into a cup and add water.
Explanation:
"Tundra and desert" are the two biomes among the choices given in the question that <span>have the least precipitation. The correct option among all the options that are given in the question is the third option.
"Exposure to solar flares" is the one among the following choices given in the question that would not </span><span>be a factor that helps determine the characteristics of a land biome. The correct option among all the options given in the question is the first option.</span>
The pupils will constrict (or get smaller) to let less light in.
Cell -> tissue -> organ -> organ system -> organism
