Question

The purpose of the glass cover on top of a box-type solar cooker is to
(A) allow one to see the food being cooked
(B) allow more sunlight into the box (C) prevent dust from entering the box
(D) reduce heat loss by radiation

Answer 1

allow more sunlight into the box
it reflects the sun rays into the box

Answer 2

B) Allow more sunlight into the box

Is the correct answer.