Rain helps provide the necessary water and nutrients for plants to survive and thrive. When leaves receive enough water, they can produce pigments that give them their vibrant colors in the fall. Without rain, leaves may not have the resources they need to undergo this color-changing process.
These are both correct as they both relate to future tense.E.g. 'It will rain' is the same as 'It is going to rain'.One difference is that 'going to' can be used when there is an 'if' in a sentence.E.g. 'If it rains...' is the same as 'If it is going to rain...' but 'If it will rain...' is incorrect.
Chemical change
Rain is a natural phenomena and is not reversible.
Because of humidity
This saying suggests that when leaves turn upside down or show their backs, it may indicate an upcoming rainfall. The belief is that the change in leaf position can be a natural response to changes in humidity or air pressure associated with rainy weather.
Leaves of most trees do not actually close, but some turn "sideways" when it is about to rain.
To let the Sun light in and to keep the rain out. It also stops leaves going into the pools.
I asked the same question a long time ago to an old timer friend of mine and he told me that it meant a sudden change in weather , generally meaning that it was going to rain. Hope that answers your question!!!
Yes
Leaves in Pennsylvania start changing colors from late September through October, but start date depends on how much rain they got that summer.
You need to know if it is going to rain so you can carry an umbrella or if it is going to be cold so you can wear a coat.
is it going to rain today
The weight of the rain falling on a branch will add to the strain on the branch. The leaves do not absorb the water.
with rain (not water) rain and grass or leaves.
Acid rain can damage the leaves on trees and can kill them.
Plants look greener after rain because rain is washing all the dust on the leaves