BPSC – Combined Competitive Examination · প্রশ্ন 91
Assertion (A): Rich placer deposits of gold are found on the Ghana coast and gold-bearing veins are found in Brazil. Reason (R): At some point in time, these continents were joined together along the Atlantic coast.
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Both A and R are true and R is the correct explanation of A
ব্যাখ্যা
Matching gold deposits across the Atlantic is classic evidence for continental drift (Wegener).
- (A) সঠিক
Correct: the gold source rocks were continuous when Africa and South America were joined.
- (B) ভুল
Wrong: R does explain A (continental drift evidence).
- (C) ভুল
Wrong: A is true.
- (D) ভুল
Wrong: R is true.