(Question)
If smallpox causes human disease, then what can smallpox cause? Answer choices: - contamination - harmful substances - vaccines - photosynthesis - extinction - cellular respiration - Destroy crops - human disease
(Answer)
human disease

(Question)
If when a population suddenly gets much smaller the effects are unpredictable, then what is the effect of a population suddenly getting much smaller? Answer choices: - major threat to health - Decreased precipitation - a lot of human deaths - movement of tectonic plates - it is unpredicatbale - If they can no longer get food - Plant growth is reduced - enormous damage to homes
(Answer)
it is unpredicatbale

(Question)
If heavy rains cause deadly and devastating events, then heavy rains cause what events? Answer choices: - forest is destroyed - mating - population movement - Plant growth is reduced - oil spill - basic building blocks of life - deadly and devastating - drought
(Answer)
deadly and devastating