Answer:
d
Explanation:
the farther you are from the equater the dolder it is.
Answer:
no
Explanation:
your body wouldnt be able to repair, move, or do anything for that matter if we didnt consistently have chemical reactions in us.
Answer:
They contain of atoms
Explanation:
That's because atomic weights or masses of each atom of each element are proportional to each other, the same number of atoms of each element will give masses that are also proportional to each other. If you start with 20 oxygen atoms, you will need 40 hydrogen atoms to make the water and you will get 20 molecules of water.
Answer:
Explanation:
The formula for efficiency is
Data:
Useful energy = 3 J
Energy input = 30 J
Calculation:
False, pushing a sofa on a hardwood floor would be easier than on carpet.
