(Q).
Q: The pain of angina means the heart muscle fibers need more what? Choices: - water - carbon - nitrogen - oxygen A:
(A).
oxygen

(Q).
Q: The energy in sunlight is also known as what kind of energy? Choices: - kinetic energy - potential energy - geothermal energy - solar energy A:
(A).
solar energy

(Q).
Q: During birth, a baby passes from the uterus through what organ to leave the body? Choices: - Ovary - the urethra - Esophagus - the vagina A:
(A).
the vagina