In simple terms, chlorophyll makes a leaf look green because it reflects only green light.
Answering in a more detailed fashion, chlorophyll is a pigment. As a pigment it absorbs some wavelengths of visible light, (red, orange, yellow, green, blue, indigo, and violet are the colors of visible light), while reflecting others. In specific, chlorophyll absorbs all other colors of light but green, which it reflects. It is this reflection of green light that cause a leaf to appear green.
I believe the term you are looking for is called an agora.
<u>Answer:</u>
The people in the past used to make use of pots for various reasons like to cook food, store food, and to store water also. These pots were made in different shapes and sizes and were decorated well which showed the artistic side of these people and their way of using the things properly. It also told the archaeologist about the people of different times and civilization with the help of the pots of those periods.
1. geologic time
2. stratum
You could have just googled these...