Mechanical energy is a term that is used to describe

A.

potential energy only.

B.

neither potential nor kinetic energy.

C.

both potential and kinetic energy.

D.

kinetic energy only.

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Given the thermochemical equation for photosynthesis, calculate the mass, in grams, of O2 that is produced by photosynthesis when 22700 kJ of solar energy is consumed.

Which of the following describe objects in free fall? Check all that apply. A. An apple falling from a tree B. A dog that is running C. A rock that is dropped D. A bee that is flying

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Are mass vs. density the same

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When group 17 elements become ions they have a charge of?

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