Q: What is the only metal that is a liquid at room temperature? Choices: - copper - aluminum - tin - mercury A:
mercury

(Question)
Q: What is water falling from the sky called? Choices: - snow - temperature - acid - precipitation A:
(Answer)
precipitation

Ques: Q: Capillaries in the chorionic villi filter fetal wastes out of the blood and return clean, oxygenated blood to the fetus through what? Choices: - separates vein - Back Vein - skin vein - umbilical vein A:
Ans: umbilical vein

(Q).
Q: Planes fly in what layer of the atmosphere because there is less friction and turbulence? Choices: - mesosphere - ozone layer - crust - stratosphere A:
(A).
stratosphere

Ques:Q: What happens to the level of relative humidity in the evening as air temperature declines? Choices: - it goes up and down - it falls - nothing - it rises A:

Ans:it rises

Q: What do most species of monkeys have that no apes or humans do? Choices: - five fingers - large brain - fur - tail A:
tail