Ques:Q: Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb? Choices: - forest fires - hurricanes - earthquakes - volcanoes A:

Ans:volcanoes
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Ques:Q: Isotopes have different number of these in their nuclei? Choices: - protons - electrons - atoms - neutrons A:

Ans:neutrons
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Ques:Q: A rise in blood glucose levels triggers the pancreatic release of what hormone? Choices: - hemoglobin - testosterone - estrogen - insulin A:

Ans:insulin
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Ques:Q: The arid environment of a desert, for instance, can quickly deplete an animal of what? Choices: - strength - protein - air - water A:

Ans:
water
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