Physics, 24.09.2021 15:00 OnlyaBurden
How does Melanin protect skin from getting cancer?
use words: Ultraviolet, Energy, Absorb, Melanin, Genetic Material, Change, Damage
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Answers: 3
Physics, 22.06.2019 00:00
True or false: the revolution of the earth creates day and night as it rotates around the sun
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Physics, 22.06.2019 02:50
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 08:50
The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions
Answers: 3
Physics, 22.06.2019 15:30
What are the similarities & differences between a thermistor and a light dependent resistor in physics?
Answers: 1
How does Melanin protect skin from getting cancer?
use words: Ultraviolet, Energy, Absorb, Melanin...
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