If when a circuit is working properly, a flow of electrons runs through that circuit, then when a circuit is working properly, what runs through that circuit? Answer choices: - coils - direct energy - electromagnetic energy - conductors - h2o - activation energy - hydrogen and oxygen - flow of electrons
flow of electrons

If thirst is used to make animals realize they need to hydrate their cells, then thirst is used to make animals realize they need to what? Answer choices: - remove their cells - filter their beverages - recovery time from fatigue - reusing things - moisturize their eyes - hydrate their cells - Converting waste. - they body they live in
hydrate their cells

Q: If earth 's tilt on its rotating axis causes fall to change to winter, then earth 's tilt on its rotating axis causes fall to change to what? Answer choices: - winter - break off - Inches - cold - autumn - spring - fall permanently - nothing
A: winter

Question: If animals require hydrogen and oxygen for survival, then which are required for animal survival? Answer choices: - hydrogen and oxygen - Chemical energy - oxygen and methane - critical organs - sense organs - hydrogen and helium - light and dark - Organic compounds
Answer: hydrogen and oxygen

*Question*
If receptor cells perceives light that enters the pupil, then what is used to perceieve light inside the pupil? Answer choices: - an electron lens - It expands - Receptor Cells - heat energy - Energy. - focusing a lens - sensory neurons - observe it
**Answer**
Receptor Cells

(Question)
If plants require carbon dioxide, then what do plants require? Answer choices: - radiation - magnets - hydrogen and oxygen - gases - carbon dioxide - food and shelter - sunlight - Solar energy
(Answer)
carbon dioxide