Chemistry, 26.06.2019 14:00 Albertrami9019
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) it has been proven by several scientists independently, resulting in its being accepted as truth. it is based on the beliefs and opinions of the majority of the scientific community. it is an observation of the natural world that has been proven as fact. it is the best explanation that scientists can offer, based on many scientific investigations.
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Chemistry, 22.06.2019 01:00
Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part
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Chemistry, 22.06.2019 01:50
7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '
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About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
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Chemistry, 22.06.2019 23:00
What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?
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Observation and experimentation have led many scientists to accept a theory about the origin of the...
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