Chemistry, 27.01.2020 18:31 hebrew1148
While analyzing a fingerprint, the forensic expert identified a ridge that had a short arm originating from it. which ridge characteristic is this likely to be?
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Chemistry, 21.06.2019 22:50
Achemical reaction (also known as a chemical change) produces substances that are chemically different from the starting materials. an example of a chemical reaction is the formation of water from hydrogen and oxygen gas.in a physical change, a substance changes its physical appearance but not its chemical identity. an example of physical change is the formation of liquid water from solid water, a familiar process called melting. physically, liquid water looks very different from solid water (ice) but the chemical identity, water, is the same for both. which of following changes that affect the composition of our atmosphere involve physical changes and which involve chemical reactions? oxygen gas changes to ozone during thunderstorms carbon dioxide is produced by the combustion of gasoline in an automobile engine. when coal, oil, and natural gas are decomposed in landsills they produce methane gas. freezing rain develops when a warm air mass overrides a cold air mass. fog forms from water vapor when the temperature drops below the dew point
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Chemistry, 22.06.2019 13:30
Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?
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Chemistry, 22.06.2019 13:40
Can someone me with 6 to 10 plz this is for masteries test.
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Chemistry, 22.06.2019 14:00
650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
Answers: 2
While analyzing a fingerprint, the forensic expert identified a ridge that had a short arm originati...
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