Answer:
I believe the answer is D.
Explanation:
The text does not mention shipping products or the value of a large number of crops. However, the little amount of water has already been noted in the text, therefore answer B. would be redundant.
Bog is a wetland area with peaty/muddy soil. Frog is a context clue. I hope you get it right!
According to the book “The Evolution of Useful Things”, the immediate cause of Richard Drew's work with cellophane was option three. It states that he desired to make his tape available in moist situations. This brought about the invention of masking tape and cellophane tape