Sodium atoms differ from sodium ions in that sodium atom contains 1. one less proton
2. one less proton
3. one more electron
4. one less electron

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space