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.


C

Environmental & Atmospheric Sciences

You might also like to view...

Food riots in Mexico were caused by the decrease in corn production in the United States when food crop land was converted to producing corn for ______________

Fill in the blanks with correct word

Environmental & Atmospheric Sciences

Which line of evidence was not used by Alfred Wegener to support continental drift?

a. continental fit b. similarity of rock sequences c. continuity of mountain ranges on opposite continents d. fossil evidence e. paleomagnetic data

Environmental & Atmospheric Sciences

An example of a possible new trend of social media is the rapid diffusion to developing countries such as

A) Japan. B) India. C) Guatemala. D) Sudan. E) Germany.

Environmental & Atmospheric Sciences

Which of the following can undergo keto-enol tautomerism?

A) 2,4-dimethyl-3-pentanone B) 2,2,4,4-tetramethyl-3-pentanone C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences