Q: You are presented with the quiz "What helps prokaryotes move?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "flagella help prokaryotes move" and "flagella are hair-like projections from the surface of cells". So, what's the best answer to the question?

OPTIONS:
- sensory neurons
- heat energy
- Feet.
- Wheels.
- Hair-like projections.
- Moving vans.
- Chemical energy
- kinetic energy

A: Hair-like projections.

Q: You are presented with the quiz "what habitats are replaced when building housing developments?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "building housing developments usually requires replacing animal habitats" and "food is an invitation for stray animals and neighborhood pets as well as wildlife". So, what's the best answer to the question?

OPTIONS:
- important habitats
- strays and wildlife
- sea creatures
- dolphins
- humans
- single-celled organisms
- one celled organisms
- Males and females

A: strays and wildlife

Q: You are presented with the quiz "What can be caused by secondhand smoke?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lung cancer is most often caused by exposure to tobacco smoke" and "secondhand smoke is also known as Environmental Tobacco Smoke". So, what's the best answer to the question?

OPTIONS:
- clean air
- fresh scent
- Toxicity
- Pollution
- negative
- lung cancer
- healthy lungs
- Dehydration

A: lung cancer

Q: You are presented with the quiz "What causes ice to form?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "freezing causes a solid to form" and "ice, on the other hand, is a solid". So, what's the best answer to the question?

OPTIONS:
- liquid
- Metling snow
- freezing
- water
- Condensation
- burning
- melting
- heat

A:
freezing