Answer:

Explanation:
we know that
The average weight of a mosquito is approximately

so
Verify each case
Convert each number in scientific notation to compare
case A) we have


This number could be the weight of a mosquito, in ounces
case B) we have


This number could not be the weight of a mosquito, in ounces, it is very small
case C) we have


This number could not be the weight of a mosquito, in ounces, it's too big
case D) we have


This number could not be the weight of a mosquito, in ounces, it's too big