There are changes in the temperature of the air and in the soil that initiates growth in the grass. This occurs in the spring when the frost comes out of the ground, the days are warmer and longer, and there is more sunlight during the day. For most grasses, especially the cool season C3 grasses, this is the time to start their life cycle. The grass that has been dead last fall remains so, being decomposed and turned back into organic matter (soil) by earth worms, microbes, and insects. However this is just the leaves and stemmy portion of the grass: what we can't see near the surface is what still remains alive, like the roots and the daughter tillers. These tillers that have been developed as the grass from last year has grown and matured start to erupt in the spring time. And they don't take their time growing: they grow very quickly, sprouting their leaves to the sun's rays and using the energy reserves stored in the roots accumulated over the summer and autumn to grow.
So essentially, the grass doesn't "turn" green in the spring, it is just replaced by new, lush green growth from the dead grass from last year.
Grass turns green because of Chlroyphyll, a type of cell in plants which makes it turn green
The grass turns green when it is exposed to sunlight.
what causes hands to look green
photosyntosis
Mold
No.
a stale green light
it means you can ONLY turn on a green light
RED do not try green it will not turn out as well
Light green, the darker green is the right turn signal.
Unless there is a sign that specifies "continual turn on red," there is no obligation to make the turn until the light turns green.
If the green arrow shows for the direction you want to turn then you obey the green arrow, the red light is for all other traffic. The green arrow basically overrules the red light for the direction of the arrow.
If a black sheet of plastic is laid on the grass, the grass will turn yellow because the the starch produced in the grass gets consumed up . since no sunlight is available to the plant to produce more starch,it will gradually start turning yellow. ;-) ---------------------- The loss of green coloration equals the loss of chlorophylls, which is the result of the plant putting chlorophylls in storage when sun light is absent.