Answer:
its the sexual stage for plants
Solarfalers causes magnetic storms
2nd option, Genetic variation will increase because of a new habitat and food source
Tons of food (rodents) and they would have no competition for the rodents in the new habitat
Smog. Im pretty sure smog is the only unhealthful air pollution on this list.
Measuring the volume of an object you are finding the amount of three dimensional space the object occupies
