You are presented with the quiz "Humans can be protected with" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chemical splashing can cause harm to humans" and "chemical splash goggles provide maximum protection from splashes". So, what's the best answer to the question?

OPTIONS:
- dolphins
- pathogens
- Animal fur
- hydration
- acid eyewashes
- sharp contact lenses
- Blankets
- goggles

Answer: goggles

You are presented with the quiz "which of the following gases does an animal need to survive?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal requires air for survival" and "air is mostly nitrogen and oxygen". So, what's the best answer to the question?

OPTIONS:
- oxygen
- blood
- carbon monoxide
- food
- glycogen
- helium
- H20
- warm

Answer: oxygen

You are presented with the quiz "astronauts require what food for extended flights?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "astronauts require preserved food for extended flights" and "most of the Shuttle foods are preserved by dehydration, which saves weight and storage space". So, what's the best answer to the question?

OPTIONS:
- Echinoderm.
- layers of fat
- dehydrated
- fresh
- hand picked
- nutrients
- frozen
- hydration

Answer: dehydrated

You are presented with the quiz "What can help decrease emissions?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "carpooling decreases the amount of cars used to travel to a place" and "cars and gasoline-burning engines are large sources of emissions". So, what's the best answer to the question?

OPTIONS:
- power
- exercise
- Carpooling
- Flying on airplanes
- Having children
- Eating red meat
- green manures
- electricity

Answer:
Carpooling