Smoke is a mixture of solid, liquid, and gas particles. although the solid particles make the smoke visible, most of the smoke mixture is gas. which visible quality of smoke shows that it contains a lot of gas influencing the other particles? the shade of the color is different in different places. smoke usually has an unpleasant smell. smoke rises out of very hot substances. the shape of the smoke changes very easild. the shape of the smoke changes very easily.

Smoke usually has an unpleasant smell.

Explanation:

Smoke is a collection of airborne particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air that is entrained or otherwise mixed into the mass.

D The shape of the smoke changes very easily.

Explanation:

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the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.