Q: When magma reaches the surface through cracks in the earth's crust, what occurs? Choices: - volcanic explosion - magma eruption - tsunami - volcanic eruption A:
volcanic eruption

(Question)
Q: Avoiding carcinogens helps lower the risk of what? Choices: - radiation - colds and flu - sunburn - cancer A:
(Answer)
cancer

Ques: Q: What is the force that causes centripetal acceleration? Choices: - pressure - gravity - Tension Force - centripetal force A:
Ans: centripetal force

(Q).
Q: Synovial and ball-and-socket are both types of what? Choices: - bonds - cells - muscles - joints A:
(A).
joints

Ques:Q: What makes soil and rock particles move gradually down the slope during each thaw? Choices: - heat - wind - rain - gravity A:

Ans:gravity

Q: What is the magnetic field traditionally referred to as? Choices: - m-field - charged field - spicule - bfield A:
bfield