(Q).
If lung cancer can be caused by direct or passive inhalation, then what can be caused by direct or passive inhalation? Answer choices: - skin grafts - prolonged thirst - science - Toxicity - lung cancer - negative - friction - craters
(A).
lung cancer

(Q).
If brain cells die quickly if their blood supply is cut off, then what will die without a supply of blood? Answer choices: - plants - organs - brain cells - athletes - humans - species - critical organs - mushrooms
(A).
brain cells

(Q).
If coral reefs provide food and shelter to many ocean living beings, then coral reefs provide what to many living beings in the ocean? Answer choices: - Chemical energy - salt and water. - shelter and amusement - survival - important habitats - food and water - water and fun - food and shelter
(A).
food and shelter