(Question)
If completing a circuit causes electrons to flow through that circuit, then completing a circuit causes _ to flow through that circuit? Answer choices: - heat energy - pulse - heat - photons - complete - energy - Heart rate - electrons
(Answer)
electrons

(Question)
If earthworms ingest sediment and extract food particles from soil, then earthworms ingest sediment and extract what from soil? Answer choices: - Organic compounds - harmful substances - Energy. - food ingredients - h2o - bioaerosols - food particles - carbon
(Answer)
food particles

(Question)
If root development depends on the looseness of dirt, then why does it help for dirt to be loose? Answer choices: - Physical weathering - adding heat - It used to be covered by water - permineralization - water conservation - Roots get more oxygen - The area was once underwater - Riding a bike
(Answer)
Roots get more oxygen