M)
the chemical formula of sodium carbonate is na2co3-

sate how many carbon atoms are present in the formula

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.