Question

Give reasons.
1. Farmers and fisherman regularly follow the weather bulletin.
2. Alcohol and mercury is used in the thermometers.
3. Weather is not constant.
4. Wind is an important element of weather and climate.

Answer 1

Answer:

1. Farmers and fisherman regularly follow the weather bulletin because weather

forecast gives them advance warnings related to storms, floods and droughts.

2. Mercury and Alcohol are used in the thermometer because they remain in liquid form with temperature change.Even a small change in temperature changes the volume of the Alcohol or Mercury. By calculating the expansion of the liquid, the temperature is measured.

3 Weather is the condition of the atmosphere at a given time and place. It may not remain constant even for a single day. That is why we often describe weather as sunny, warm, cloudy, rainy or cold.

4. Wind carries moisture into an atmosphere, as well as hot or cold air into a climate which affects weather patterns. Therefore, a change in wind results in a change of weather. A major factor that determines wind direction is air pressure.

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