Answers: 2
Biology, 22.06.2019 01:30
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
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Biology, 22.06.2019 09:30
Consider the following reaction: 2h2 + o2 β> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?
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Biology, 22.06.2019 14:00
What will happen if two of the base pairs of the stand of the dna are switched
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Biology, 22.06.2019 14:20
What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?
Answers: 1
The number of protons in an atom determines the (element, compound, molecule)....
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