1. Weather refers to the day to day condition of the atmosphere in a particular area for a short period of time with respect to elements such as temperature,pressure,humidity ,wind ,rainfall ,sunshine ,cloud cover and so on.

2. Daily changes in the weather are due to winds and storms.

3. Weather on Earth is caused by heat from the sun and movement of the air. All weather happens in the lower layer of Earth's atmosphere, which is a layer of gases surrounding Earth. The sun's heat warms the air in this layer to different temperature levels in different places.

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5 is on the Picture Hope it helps~