<h3>All options:</h3>
a. planning how to transport water
b. using technology to purify water
c. studying the composition of water
d. building structures to store water
e. determining the selling price of water
<h3>Correct options:</h3>
a. planning how to transport water
b. using technology to purify water
d. building structures to store water
Explanation: Answers from Edge 2020