UPPCS · প্রশ্ন 60

Given below are two statements, one labelled as Assertion (A) and the other as Reason (R). Assertion (A): Jet streams discovered during World War II are high altitude easterly winds. Reason (R): Jet streams flow with a speed of 300-500 km/hour. Select the correct answer using the code given below.

1. ABoth (A) and (R) are true and (R) is the correct explanation of (A)
2. B(A) is false, but (R) is true
3. CBoth (A) and (R) are true, but (R) is not the correct explanation of (A)
4. D(A) is true, but (R) is false