Question { 7319 }
Why do birds not have respiratory trouble at the time of
flying at high altitude?
(a) Their lungs are very large (b) They fly inactively (c)
They have extra air sacs (d) They use less oxygen
Answer
Is This Answer Correct ? | 15 Yes | 1 No |
Question { 6407 }
how many languages used in UNICEF cards?
Answer
Is This Answer Correct ? | 11 Yes | 3 No |