not specifically sunlight, you can use a desk lamp but sunlight, being natural, is probably the best way.
They need sunlight to perform photosynthesis.
For energy
Sunlight!
Sunlight
50 % sunlight is needed by herbs to carry out photosynthesis
All plants need sunlight so they can go through photosynthesis.
sunlight is needed for photosynthesis. sunlight dirt nutrients sun light not too wet places
Sunlight would help.
To Complete Photosynthesis .
because plants need sunlight to do photosynthesis and with less or no sunlight it will either take long or will not happen at all
Plants use the energy from sunlight to carry out photosynthesis.
Because they need the sunlight to carry out photosynthesis and survive.