You are presented with the quiz "Cacti are adapted to what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants that are adapted to very dry environments are called xerophytes" and "succulents, bromeliads and cacti are xerophytes". So, what's the best answer to the question?

OPTIONS:
- the snow
- dry environments
- Animal survival
- survival
- tropical regions
- moist environments
- relocation
- salt and water.

Answer: dry environments

You are presented with the quiz "if food is not immediately used for energy then that food will be converted into what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if food is not immediately used by the body for energy then that food will be stored for future use" and "storage is in body fat". So, what's the best answer to the question?

OPTIONS:
- glucose
- fat
- fuel
- Heat
- skin
- fire
- hair
- Gas

Answer: fat

You are presented with the quiz "What can contain little to no salt?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "freshwater biomes have water that contains little or no salt" and "several freshwater lakes are nearby". So, what's the best answer to the question?

OPTIONS:
- sodium chloride
- salt water
- rivers
- the Pacific Ocean
- deserts
- fens
- wetland
- lakes

Answer: lakes

You are presented with the quiz "What causes harm to living things?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "poison causes harm to living things" and "arsenic compounds are poisonous". So, what's the best answer to the question?

OPTIONS:
- arsenic compounds
- a pathogens
- tapeworms
- deforestation
- deoxyribonucleic acid
- Pesticides
- cigarettes
- fossil fuels

Answer:
arsenic compounds