A sudden drop in temperature.
Not always, you need to take barometric pressure into account, the sudden drop signifies that a new weather system has moved in, whether it is high or low pressure will determine whether it is good or bad
The change of color may be a sign of a chemical reaction.
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No, snails are probably not aware of climate change. It may be that warmer weather later will cause them problems, but not yet.
Hurricanes and typhoons are weather. Climate is a longer term look at how weather averages out over the years. So one severe tornado is not evidence of climate change and global warming. But if the numbers and the severity of weather events change over time, then that may be a part of climate change caused by global warming.
A fall in pressure.
A sudden drop in the temperature
A sudden drop in the temperature
A sudden drop in temperature.
A sudden drop in the temperature
a sudden drop in the temperature
Temperature dropping is a sign of weather change .
A sudden drop in temperature.
A sudden drop in temperature.
A sudden drop in temperature.
Some clues that the weather is changing would be clouds rolling in. The air will smell different even. You can hear thunder. Wind will start blowing.
A sudden drop in the temperature