If alerting devices inform a person when they convert electrical energy into sound, then alerting devices inform a person when they convert electrical energy into what? Answer choices: - sound - batteries - air - heat - energy - action - photons - waves
sound

If dna is required for life, then what is required for life? Answer choices: - dna - RNA - food - money - lead - ovum - ova - gasoline
dna

If breaking apart rocks can cause sediment, then what comes out of rocks breaking apart? Answer choices: - Pavement - streams - Fossils - loose soil - rivers - flooding - Ground covering - Sediment
Sediment