I need help please
1.
The nucleus contains protons and .
neutrons
electrons
2.
Electrons in an atom make up most of the of the atom, while the protons and neutrons make up nearly all of the of the atom.
volume; mass
mass; volume
3.
The more an electron has, the further away it can be from the nucleus.
mass
energy

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Which of the following represents a negatively charged ion? of t 7

As global warming continues the ocean absorbs more of the earth's heat what term describes the ocean as a storage location for heat a) heat binb) heat sinkc) heat storaged) heat vent( answer this for me)