[ General Knowledge ]
What is one disadvantage of using hydropower?
A. Hydropower is a renewable energy resource. There are no disadvantages.
B. The power is used as electricity to power large buildings instead of homes.
C. Building dams can damage natural wildlife and water systems like lakes and rivers.
D. Most of the time there isn’t enough water power to create electricity.

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Narrative Tenses › ViewOne day, Mr. Clark … home with a smile on his face.
A. walked
B. was walking
C. had walked.
Grammar › View
Which sentence is written correctly?
A. I have to eat dinner at 4;50.
B. My mother washed my clothes, and I put them in the dresser.
C. In my bookbag, you will find; books, pencils, and a hair bow.
D. That woman was a teacher she is; popular with students.