Ques: Q: What do we call the center of a hurricane where the air is calm and clear? Choices: - nose - epicenter - neck - eye A:
Ans: eye

Ques: Q: In chemical reactions, what substances can act like metals or nonmetals, depending on their number of electrons? Choices: - diacritics - minerals - synthetics - metalloids A:
Ans: metalloids

Ques: Q: What organs filter wastes from blood so they can be excreted from the body? Choices: - lungs - pancreas - liver - kidneys A:
Ans: kidneys

Ques: Q: Phospholipids are unable to mix with what? Choices: - nitrogen - solids - air - water A:
Ans:
water