Answer:
The 15 N object has twice the mass of the 10 N object.
Explanation:
Answer:The n means neutron(n)
The (-) negative charge is electron(e)
The positive(+) charge is the proton(p)
The arrow is the orbit or shell
Explanation:
Answer:
Earthworms need oxygen just like humans, but they don't have lungs like we do. They have a special skin that allows them to “breathe” oxygen right through it. ... This means the amount of oxygen inside the earthworm will always be less (lower concentration) than the area outside of the earthworm (higher concentration).