How did Thomson's discovery contradict Dalton's theory? a) (A) It showed that atoms were not indivisible.
b) (B) It showed that atoms have charge.
c) (C) It showed that atoms combine to make molecules.
d) (D) It showed that atoms have nuclei.

Six solutions are made, each with a y concentration of 1.0 μm and varying concentrations of ab as shown below. based on the concentrations, rank the solutions in decreasing order of reaction rate.

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?