When a liquid is heated to a high temperature, it can become a gas. which term is used to describe this change of state?
a. condensation
b. evaporation
c. freezing
d. melting

Why do electron microscopes have higher resolving power than light microscopes?

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.