(Q).
Q: What molecule consists of two atoms of hydrogen and one atom of oxygen? Choices: - carbon monoxide - hydrogen peroxide - air - water A:
(A).
water

(Q).
Q: What objects are made from highly reflective metal that is applied to a curved or flat piece of glass? Choices: - frames - vases - machines - mirrors A:
(A).
mirrors

(Q).
Q: What is the small intestine lined with that helps with nutrient absorption? Choices: - bile - hilum - cannula - villi A:
(A).
villi