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How much energy is made when a pice of wood burns. how do you know
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Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
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Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons
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Chemistry, 22.06.2019 21:00
Rays from the sun are not considered matter true or false
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If you have 140 grams of potassium nitrate (KNO3) in a solution at 50°C, in terms of saturation, how...
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