The gravitational force between the sun (mass = 1.99 × 1030 kg) and mercury (mass = 3.30 × 1023 kg) is 8.99 × 1021 n. how far is mercury from the sun?

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.

Explain what happens at the saturation point when adding salt to water at room temperature.

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.