A scientific model can be used to test a hypothesis.
The process of a solid turning directly into a gas is known as "sublimation"
Industry will have to invest in clean energy solutions like tech to lower carbon emissions (smog) kind of like when legislation was put in place preventing industry from dumping toxic wastes into public areas and waterways.
1.true 2.false 3.the diffusion of water across a membrane 4.Rr