Q: What causes continents to drift closer to the poles or the equator?    Choices:  - time  - plate tectonics  - earthquakes  - plate movements  A:
plate movements
(Question)
Q: What is the distinctive shape of the molecule that contains genetic information?    Choices:  - cube  - conical  - cylindrical  - spiral  A:
(Answer)
spiral
Ques: Q: Because they are charged (polar), these ions do not diffuse through what?    Choices:  - substrate  - cell wall  - protein  - membrane  A:
Ans: membrane
(Q).
Q: What is the modern periodic table based on?    Choices:  - element mass  - metallic number  - element density  - atomic number  A:
(A).
atomic number
Ques:Q: What organ has four ventricles, all of which developed from the original hollow space within the neural tube?    Choices:  - heart  - liver  - bladder  - brain  A:

Ans:brain
Ques:Q: What is the measurement for the amount of water vapor in the air?    Choices:  - haze  - ambient  - saturation  - humidity  A:

Ans:
humidity