The answer is D: all electromagnetic waves can travel in a vacuum
Answer:
Rebouncing
Explanation:
Since the two balls didn't move but bounced back, it's then said to be called rebouncing
<span>C. As a metal comb is held near an object with a negative charge, the comb becomes charged.
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Answer: D
X and Y
Explanation:
X The least amount of magnesium Took in magnesium
Y Slightly less magnesium than the cell Took in magnesium
Because active transport occurs when ions or molecules move from less concentration region to high concentration region through semi membrane with the help of some energy.
