Biology, 06.05.2020 06:20 neonaandrews10
The average height of man 100 years ago was 5'5", today the average height is 5'8". Why are we getting taller?
Answers: 3
Biology, 21.06.2019 16:00
Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove
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Biology, 21.06.2019 23:30
What is the importantence of the carbon and nitretan cycles in the environment
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Biology, 22.06.2019 16:00
Where does oogenesis take place ? seminiferous tubules fallopian tubes ovaries uterus
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Biology, 22.06.2019 17:40
Which factor affects the force of gravity between objects? check all that apply. direction distance mass shape time
Answers: 2
The average height of man 100 years ago was 5'5", today the average height is 5'8". Why are we getti...
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