Question 4 of 10 People in a community are interested in constructing a hydroelectric dam in
order to get more affordable electricity. Which option is best described as an
engineering endeavor related to building a hydroelectric dam?
A. Making observations in order to determine what kinds of plants
grow near the proposed dam site
B. Performing an investigation to determine how the construction
will affect local ecosystems
O C. Studying the rocks around the proposed dam site to determine
how old they are
D. Taking measurements and performing calculations to determine
how strong the dam needs to be
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