What does the release or absorption of energy indicate? a breaking glass b melting ice on the windshield c burning gasoline d denting a bumper plz ! which of these is an example of a chemical changea: leaving cheese out to get moldyb: smelling sprayed perfumec: feeling ice melt on your skind: crushing ice with a hammer

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.