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:
Answer:
= 0.3 moles
Comment if you need step to step explanation.
Because someone was wearing it and their dna could be in it i’m guessing
