Does lead melt into individual atoms or molecules?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Compare and contrast refraction of light and sound will give brainliest