1.

A solar cooker may not cook food if : (a) the solar cooker is not placed in the shade (b) the glass sheet cover of solar cooker is not closed (c) a convex mirror reflector is not used (d) the food containers of insulating material are not used

Answer» A solar cooker may not cook food if :
(a) the solar cooker is not placed in the shade (b) the glass sheet cover of solar cooker is not closed
(c) a convex mirror reflector is not used (d) the food containers of insulating material are not used


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