cJudge the following sentence according to the criteria given below: Ancient volcanic calderas are a
particularly rich source of important metallic ores like copper, nickel, zinc, lead, and silver BECAUSE
these dense heavy metals get left behind when the caldera explodes.
a. The assertion and the reason are both correct, and the reason is valid.
b. The assertion and the reason are both correct, but the reason is invalid.
c. The assertion is correct, but the reason is incorrect.
d. The assertion is incorrect, but the reason is correct.
e. Both the assertion and the reason are incorrect.
Question 2What is a volcano called that has not erupted in living memory but shows evidence of having erupted
within the past few thousand years?
a. dormant
b. extinct
c. inactive
d. active
e. a high risk volcano
On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand
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