Light Harvesting Complex

A : Light hahrvesting complexes ( LHC) on thyrakoid membrane broaden the range of light absorption. R: They transfer e^(-) to reaction centre.

Given figure depicts the light harvesting comples (LHC) of photosystem I (PS I) Select the correct identification for A,B,C and D

Water Harvesting

Photosystem has main light harvesting pigments

Rainwater Harvesting

Which agricultural practice comes first : harvesting or weeding ?