What is the difference between melting and evaporation?

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.