Of the following choices, which is the best way to earth’s water supply last for future generations? a. avoid drip irrigation systems on farms? b. make factories recycle water. c. build thermal power plants. d. increase neighborhood lawn sprinkling.

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

Which particle controls what element an atom is?

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.