If there is DARK clouds and there is cold air then there is a good chance of rain.
did you see black clouds , that's the sign of rain is coming
The temperature indicator is called a thermometer. The birds flying south are a good indicator of winter's approach.
I think you could be referring to a barometer, which measures atmospheric pressure and is an indicator of when it will rain or shine.
The universal Indicator was invented in 1923 by Yamada
No, flies biting does not necessarily indicate that rain is coming. Fly behavior is not a reliable indicator of weather patterns. Changes in barometric pressure and other environmental factors are more closely linked to predicting rain.
If there is DARK clouds and there is cold air then there is a good chance of rain.
means that rain is coming
Clouds are a good indication of water in the atmosphere, and a good indication of coming rain (if they are dark clouds).
yes most horses will stamp the ground and run away from humans when an earthquake is coming and animals that burrow will try to get underground
Lichens are a good indicator species for acid rain. Lichens absorb water and nutrients from the air. They absorb the nutrients that they need from the water. Rainwater contains enough sulphur dioxide to make them stop growing.
did you see black clouds , that's the sign of rain is coming
You can use the term "torrential rain" to describe rain coming down heavily or in a torrent.
no. its normal coloured unless it is mixed with an indicator
The temperature indicator is called a thermometer. The birds flying south are a good indicator of winter's approach.
What is a goodproperty of a indicator?
No, it is natural, coming from "red cabbage".