Surface currents and waves are powered by a) wind and heat. b) wind and tides. c) boats and wind. d) heat and weather.

The force will determine the acceleration.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.