All scientists try to base their conclusions on?
expert opinions?
data and measurements?
evaluation of historical records? ?
popular opinion?

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

Compare and contrast the bohr model and the electron cloud models of the atom.

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature