Answer ;
In summer, the green pigments or the chlorophyll are high, while in fall the chlorophyll lowers because there is less sunlight.
Step-by-step explanation;
-The chlorophyll level in summer will be high because days are longer and there is more sunlight. The chlorophyll will lower in the fall because the fall has shorter days and less sunlight.
-Chlorophyll is a green pigment in green plants that absorbs sun light or energy from the sun that is required for the process of photosynthesis, the energy from sunlight is converted to chemical energy during the process.