If rain and snow breaks down rocks from larger whole into smaller pieces, then rain and snow breaks down what from larger whole into smaller pieces? Answer choices: - RNA - cultures - soils - cities - calcite - people - erosion - rocks
rocks

If matter vibrating can cause our ears to detect it, then what can our ears detect? Answer choices: - extremely high frequencies - matter vibrating - population movement - extremely high-pitched sound - electromagnetic energy - matter's height - sensory neurons - rays or beams
matter vibrating

If aflow of electrons running through a wire causes that wire to heat up, then what can run through a wire causing it to heat up? Answer choices: - flow of electrons - electromagnetic energy - flow of neutrons - kinetic energy - hydrogen and oxygen - chemical messengers - flow of protons - h2o
flow of electrons

If aplant requires nutrients to grow, then what does a plant require in order to grow? Answer choices: - energy - Energy. - sunlight - nutrients - Heat energy - power - Glucose - photons
nutrients