Which of the following is an example of matter?

(a) materials that make up the stars
(b) air
(c) metals, gems and minerals
(d) all of the above

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points