Which scenario is an example of a physical change? O Wood is burned in a campfire and is turned into ash and smoke.
O A piece of metal is left in the rain and forms rust.
O Lead is melted into a liquid to form pellets.
O Yeast turns sugar into energy, water, and carbon dioxide gas.

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Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation