Biology, 20.09.2019 06:40, teagan56

The skin synthesizes a precursor of in response to uv radiation in sunlight.

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Biology, 22.06.2019 11:30, itssergioa

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Biology, 22.06.2019 18:00, chayaharroch03

1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.

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The skin synthesizes a precursor of in response to uv radiation in sunlight....