Currents at the surface of the ocean are
moved mostly by
A. Heat
B. Wind
C. Salinity
D. The mixing of warm and cold water

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?