CHEMICAL ENGINEERING AND
SOCIETY- LESSON 9 QUESTIONS AND
VERIFIED ANSWERS|100%
CORRECT|GRADE A+
which of these is a natural resource? - ANSWER firewood
which of these is NOT true of synthetic materials? - ANSWER synthetic materials are easily found in
natural environments with natural resources
why are synthetic materials useful in the creation of some gemstones like sapphire? - ANSWER the
material that makes synthetic sapphires is indistinguishable from real sapphires
how are the properties of plastic made from corn, or PLA, useful to people? - ANSWER the molecules
that form long, flexible chains are strong and durable
which of these is a fossil fuel? - ANSWER natural gas
what is an advantage of using gasoline as a fuel? - ANSWER it is inexpensive compared to other kinds of
fuels
what is an advantage of using biofuels? - ANSWER biofuels can be made from renewable resources
what natural resource is ethanol often made from? - ANSWER corn
food additives are any substance that is added to a food to... - ANSWER enhance its flavor, color,
freshness, nutritional value, or safety
what is the slight difference between sucrose and sucralose? - ANSWER sucralose tastes similar to
sucrose, but cannot be digested by the human body
SOCIETY- LESSON 9 QUESTIONS AND
VERIFIED ANSWERS|100%
CORRECT|GRADE A+
which of these is a natural resource? - ANSWER firewood
which of these is NOT true of synthetic materials? - ANSWER synthetic materials are easily found in
natural environments with natural resources
why are synthetic materials useful in the creation of some gemstones like sapphire? - ANSWER the
material that makes synthetic sapphires is indistinguishable from real sapphires
how are the properties of plastic made from corn, or PLA, useful to people? - ANSWER the molecules
that form long, flexible chains are strong and durable
which of these is a fossil fuel? - ANSWER natural gas
what is an advantage of using gasoline as a fuel? - ANSWER it is inexpensive compared to other kinds of
fuels
what is an advantage of using biofuels? - ANSWER biofuels can be made from renewable resources
what natural resource is ethanol often made from? - ANSWER corn
food additives are any substance that is added to a food to... - ANSWER enhance its flavor, color,
freshness, nutritional value, or safety
what is the slight difference between sucrose and sucralose? - ANSWER sucralose tastes similar to
sucrose, but cannot be digested by the human body
