(Question)
Lack of moisture in the air causes low amounts of rainfall, and rainfall is just one form of precipitation. Given these facts, what causes low amounts of precipitation among the following options: - Plant growth is reduced - a hemisphere is tilted away from the sun - more condensation - extra moisture in the air - excess water supply - fissures of hot, acidic water - lack of moisture in the air - a tree falling
(Answer)
lack of moisture in the air

(Question)
Gravity pulls objects towards planets, and gravity is a force that pulls on things. Given these facts, a force that pulls on things pulls objects towards what among the following options: - planets - coastlines - Energy. - rivers - loose soil - rock - support - earth
(Answer)
planets

(Question)
Flagella help prokaryotes move, and cilia and flagella are composed of microtubules. Given these facts, what help prokaryotes move among the following options: - maps - heat energy - microns - Energy - microbes - microtubules - sensory neurons - Chemical energy
(Answer)
microtubules