Answer:
Electric engines have efficiencies of roughly 90% whilst combustion engines about 10% to 30%. This is because combustion engines emit much more heat, which is always energy that is not used as work, and thus increases inefficiency.
Explanation:
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Sedimentary rocks are formed due to layers so the answer is A.
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Answer:
helium
Explanation:
helium has the highest ionization energy level
Answer: Which elements are found in the greatest number of substances?
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Chemical Name Sucrose
Chemical Formula C12H22O11
Number of Elements 3
Name of Elements Carbon, Hydrogen, Oxygen
Number of Atoms 45
Explanation: