Q: You are presented with the quiz "what use pheromones in urine to maintain their territory?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "male dogs use pheromones in urine to mark their territory" and "coyotes maintain their territory by marking it with urine". So, what's the best answer to the question?

OPTIONS:
- baby dogs
- bears
- rabbit
- Male dogs
- girl puppies
- mammals
- female dogs
- animals

A: Male dogs

Q: You are presented with the quiz "what have varied life cycles?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "algae have varied life cycles" and "diatomes are a type of single celled algae". So, what's the best answer to the question?

OPTIONS:
- insects
- h2o
- bacteria
- diatomes
- mammals
- days
- gravity
- Most plants

A: diatomes

Q: You are presented with the quiz "what falls from the equator to the poles?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "temperature falls from the equator to the poles" and "all temperatures are measures of heat energy". So, what's the best answer to the question?

OPTIONS:
- precipitation
- heat energy
- Greenhouse gases
- sunlight
- carbon dioxide
- water vapor
- sun's heat
- energy

A: heat energy

Q: You are presented with the quiz "What is a tape measure used to measure?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "atape measure is used to measure length" and "lengths A length is a measure of distance". So, what's the best answer to the question?

OPTIONS:
- Force
- biceps
- feet
- Other measuring tapes
- size
- Stickiness of tape
- Distance
- Weight

A:
Distance