Chemistry

Chemistry, 01.09.2019 00:30, alosnomolina1122

We inhale oxygen and exhale carbon dioxide as a result of a change in our bodies.
a.
physical
b.
chemical

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Chemistry, 16.07.2019 21:30, 020020

We inhale oxygen and exhale carbon dioxide as a result of a change in our bodies. a. physical b. chemical

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Biology, 24.08.2019 16:30, gabbie63

#1. we inhale oxygen and exhale carbon dioxide as a result of a change in our bodies. a.physical/ b. chemical #2. select the best answer from the choices provided a which of the following is an example of a chemical change? a.ice melting/b. pounding gold into a coin/ c.milk souring/d.a puddle of water evaporating #3. select the best answer from the choices provided which of the following is an example of a physical change? a.dissolving salt in water./ b. cooking an egg./c.burning wood into charcoal./d.rusting iron. #4. what kind of chemical change involves breaking down substances using electricity? a. electrothermic/ b.electrolysis /c.exothermic /d. electrodecomp #5. which of the following is an example of a chemical change? a.ice melting/ b.milk souring/ c.pounding gold into a coin/ d.a puddle of water evaporating #6. which of the following is an example of a physical change? a.dissolving salt in water./b.burning wood into charcoal./c.cooking an egg./d.rusting iron. #7. what kind of chemical change involves breaking down substances using electricity? a.electrothermic/ b.exothermic/c.electrolysis/ d.electrodecomp #8. what chemical change occurs when a more reactive substance replaces a less reactive substance in a compound? a. oxidative/ b.displacement/c.reduction/ d.endothermic

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We inhale oxygen and exhale carbon dioxide as a result of a change in our bodies.
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