If the contour lines are close together, the slope of hillside isa. steepb. shallowc. constant

Hi Kalia, thanks for asking a question here on

When you're mapping the earth, you'll see contour lines. When those lines are close together, the slope of the hillside is steep.

Letter A ✅

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or post another question and send the link to me. -UnicornFudge aka Nadia 

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass