(Question)
If something made of glass , fiberglass , polyethylene, or vinyl is used to protect plants from the cold, then what protects plants from the cold? Answer choices: - Something made of fruit or vegetables - series of enzyme-mediated reactions - Something made of glass, fiberglass, polyethylene, or vinyl - Something whose growth is discouraged by heavy wet soils - keeping food fresh for long periods of time - Something made of brick - Something made of metal - gas layer that surrounds earth
(Answer)
Something made of glass, fiberglass, polyethylene, or vinyl

(Question)
If fats and proteins can be used for energy by the cells of most organisms, then ats and proteins can be used for energy by the cells of what? Answer choices: - mammals - Plants growth - Most plants - our planet - microorganisms - bacteria - most organisms - animals
(Answer)
most organisms

(Question)
If acamera needs a mirror to help redirect light, then what redirects light in a camera? Answer choices: - cactuses - microscope - photons - electricity - The shutter - A mirror - A photo - The film
(Answer)
A mirror