Question

Read the statements assertion (A) and reason (R).

Choose one of the following correct alternatives:

Assertion (A): Nowadays, biodiversity is diminishing at an increased rate.
Reason (R): Exotic species are thought to be a main cause of species extinction.

1. Assertion and reason are both true, and reason (R) is the correct explanation for the assertion (A).
2. Both the assertion and the reasoning are correct, but the reason (R) is not the correct explanation for the assertion (A).
3. The assertion (A) is correct, but the reasoning (R) is incorrect.
4. The assertion (A) is false, but the reasoning (R) is correct.