This answer is going to be true
Answer:
Image result for how does a solar cooker work
Most solar cookers work on the basic principle: Sunlight is converted to heat energy, that is used for cooking. ... Parabolic solar cookers use a bowl-shaped reflector to focus the light more directly onto the cookpot, usually from below, and typically do not require a greenhouse enclosure to retain the heat.Apr 29, 2019
Explanation:
I believe B. Might be wrong (might be wrong double check with someone else)
The ones with the flats and sharps are only half steps
top and bottom on left are whole steps
top and middle on right are whole steps
the rest are half