(Question)
If brain cells die quickly if blood is cut off, then brain cells die quickly if what supply gets cut off? Answer choices: - alveoli - blood - CO 2 - hydrogen - Air - Energy. - electric pulses - carbon dioxide
(Answer)
blood

(Question)
If water expanding can cause pipes to burst, then why do pipes sometimes burst during the winter? Answer choices: - Water evaporating - flooding - Water expanding - energy usage - Water melting - Water contracting - colder weather - massive damage
(Answer)
Water expanding

(Question)
If plastic slows the transfer of electricity, then which material slows the transfer of electricity? Answer choices: - Cotton - Water - Smoking - heat - the skin - Steel - cigarettes - Plastic
(Answer)
Plastic