You are presented with the quiz "where can conserving water be used for survival in?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "conserving water can be used for survival in a dry environment" and "deserts are usually very, very dry". So, what's the best answer to the question?
OPTIONS:
- our planet
- oceans
- rivers
- deserts
- watershed
- clouds
- Mountains
- soils

Answer: deserts

You are presented with the quiz "What affects the environment negatively?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "pollutants have a negative impact on the environment" and "carbon dioxide is a pollutant". So, what's the best answer to the question?
OPTIONS:
- sunlight
- normal weather patterns
- carbon dioxide
- cigarettes
- positivity
- Smoking
- harmful substances
- fossil fuels

Answer: carbon dioxide

You are presented with the quiz "What has a layer of fat under the skin to help insulate the body?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mammals have a layer of fat under the skin to help insulate the body" and "all humans are mammals". So, what's the best answer to the question?
OPTIONS:
- goats
- snakes
- hamburgers
- animals
- humans
- rabbit
- bears
- fur

Answer:
humans