True or false? dry ice subliming (turning from a solid straight into a gas) is an example of a chemical change.
1 answer:
False because when a substance changes from one state of matter to another it is a physical change no matter how many states of matter it skips
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The maximum number of covalent bonds formed by a single carbon atom is 4
Answer:
evaporation?
Explanation:
evaporate the water leaving behind the sand?
we have
work done (W)= force(F) × displacemen(s)
or, 80= F× 8
or, F= 10 N
therefore, 10 N force is required to lift the rock.
A. Oxygen is produced during cellular respiration and stored during photosynthesis. B. Carbon dioxide and water released by cellular respiration are used in photosynthesis. C. Photosynthesis releases the energy that is stored during the process of cellular respiration
hope it helps
Answer:
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# 2 </h2><h3>
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