You are presented with the quiz "If an animal has a spinal column in their skeletal system what is it called?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "vertebrates are animals that have a backbone" and "vertebrates generally have a backbone called the spinal column". So, what's the best answer to the question?
OPTIONS:
- skeletal animal
- vertebrate
- A Greek letter
- invertebrated
- organ
- critical organs
- spined animal
- epidermal
vertebrate
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You are presented with the quiz "What condenses in clouds to cause rain?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "water vapor condensing in clouds causes rain" and "water vapor is a gas in the air". So, what's the best answer to the question?
OPTIONS:
- evaporation
- chlorofluorocarbons
- Organic compounds
- carbon dioxide
- a gas in the air
- Chemical energy
- peachleaf willow
- flooding
a gas in the air
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You are presented with the quiz "What does salt do to ice?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adding salt to a solid decreases the freezing point of that solid" and "salt is used as a deicer because it lowers the freezing point of water". So, what's the best answer to the question?
OPTIONS:
- reduce
- Freezes it
- watershred
- Makes more ice
- Turns it into carbon
- Melts it
- evaporation
- protect them
Melts it
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You are presented with the quiz "An example of organisms that breathes with gills as larvae and with lungs as adults are" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most amphibians breathe with gills as larvae and with lungs as adults" and "all frogs are amphibians". So, what's the best answer to the question?
OPTIONS:
- mollusk
- salmon
- a fish
- harmful
- reptile
- amoeba
- frogs
- arachnid
frogs
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