Fill in the blank: 1.)the amount of space that matter fills is 2.)a state of matter with a definite volume, but no definite shape is a 3.) will always take the shape and volume of its container. 4.)the is a measure of the average speed of the particles in a substance. 5.)the of a gas is the force of its outward push divided by the area of the walls of its container

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.