How does an indirect solar dryer work? Options: A . &nbspBy directly exposing the substance to sunlight B . &nbspBy using an electrical heater C . &nbspBy heating the incoming air with the help of a black surface D . &nbspBy using fire

How does an indirect solar dryer work?

Question

How does an indirect solar dryer work?

Options:

A . By directly exposing the substance to sunlight

B . By using an electrical heater

C . By heating the incoming air with the help of a black surface

D . By using fire

Answer: Option D
Answer: (d).By using fire

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