Answer:
the question is not clear
Explanation:
You have to use density=mass/volume formula:

Solve for x and you get
2282.75 grams
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:
are there answer choices? chloroplasts are in plant cells, these give it a green color
Explanation: