Answer:
The green golf ball because it changed speed the most.
Explanation:
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Density=mass/volume=100g/20cm^3=5g/cm^3. The brick will fall in the lake, because its density is higher than that of water (1g/cm^3).
Answer:
Periods and Families
Explanation:
The horizontal rows of elements are called periods and the vertical columns of elements are called groups/families!
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CH2O. You can reduce 8, 16, and 8 to 1, 2, and 1. You just simplify the numbers. When there is no number after an element, it means that there is one of them.
The answer is Cc reactants break bonds and form new bonds to make new substances