To save on electricity and eliminate heat in the kitchen, you would like to build a solar cooker. Which type of mirror would work best?

A. convex
B. concave
C. planar


B. concave

Physics & Space Science

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The use of grids for responsive web design layout ensures pages will adapt to different screen sizes.

Answer the following statement true (T) or false (F)

Physics & Space Science

Given this schematic diagram of a defective eyeball, which of the lenses shown can correct for this defect?


A. a
B. b
C. c
D. d
E. e

Physics & Space Science

When two bulbs are connected in series to a battery, the electric resistance that the battery senses is

A) greater than the resistance of either bulb. B) less than the resistance of either bulb. C) none of the above

Physics & Space Science

How many different elements are in the compound C6H12O6?

A) 3 B) 6 C) 24 D) All of the elements are the same.

Physics & Space Science