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Biology, 01.01.2020 03:31 perezshayla56
Do all carbon atoms take the same amount of time to complete a trip in a carbon cycle?
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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 doesnโt 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 youโd 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 relationship between absorbance of light and the rate of photosynthesis?
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Biology, 22.06.2019 10:30
16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.
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Biology, 22.06.2019 11:00
What is the term for a water wave that is created by an underwater earthquake?
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Do all carbon atoms take the same amount of time to complete a trip in a carbon cycle?...
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