How do a neutron and proton compare?
a. there are more protons than neutrons in an isotope.
b. they have about the same mass.
c. the proton has a positive charge, while the neutron has a negative charge.
d. the neutron is farther from the nucleus.

Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc.built rectangle-shaped homesd. traded salt with other groups