Q: Where does oxygen enter the blood? Choices: - in the heart - in the veins - in the liver - in the lungs A:
in the lungs

(Question)
Q: What is another word for saturated hydrocarbons? Choices: - catalysts - enzymes - aldehydes - alkanes A:
(Answer)
alkanes

Ques: Q: Convection in which part of the earth drives the movement of the plates of lithosphere over the earth's surface? Choices: - atmosphere - ocean - upper crust - mantle A:
Ans: mantle

(Q).
Q: Electrical potential energy can be described by the equation pe = qv, where q is the electric charge and v is what? Choices: - amplitude - wavelength density - frequency - voltage A:
(A).
voltage

Ques:Q: What is the name for the disease in which cells divide out of control? Choices: - diabetes - mutation - angina - cancer A:

Ans:cancer

Ques:Q: Of the three basic types of radioactive emissions, what particle is the most penetrating? Choices: - neutron - alpha - beta - gamma A:

Ans:
gamma