Answer:
D will brain cancer eventually be curable?
Explanation:
Hydrochloric acid
I hope it helpssssss
Answer:
The ozone layer
Explanation:
It acts as a shield to protect the earth's surface from the suns harmful ultraviolet radiation.
Explanation:
Three factors that affect the rate of a chemical reaction
are listed below:
1.presence/absence of catalyst
2.temperature
3.nature of reactants
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Carbon, hydrogen should be the answer
