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A scientist is comparing two body cells of a multicellular organism. Which of the following is most likely identical?

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In humans, a trait can be determined by one pair or many pairs of

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One key physical process in beach formation is wave action. Sand is deposited on beaches as waves break onto the shoreline and the energy from the wave scatters. Which type of energy is most used by wave action to modify the shape of the beaches?

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Earth is about 81 times more massive than the Moon. How will the mass and weight of a rocket on the Moon compare to its mass and weight on Earth?