Question: You are presented with the quiz "Erosion of soil has what impact on a forest?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "erosion of soil has a negative impact on the environment" and "forests provide a clean and comfortable environment". So, what's the best answer to the question?
OPTIONS:
- mechanical
- negative
- helpful
- wind
- healthy
- forces
- positive
- flooding
Answer: negative

Question: You are presented with the quiz "What do cycles of freezing and thawing water cause?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cycles of freezing and thawing water cause ice wedging" and "ice wedging is the most important form of mechanical weathering". So, what's the best answer to the question?
OPTIONS:
- Metling snow
- Mechanical weathering
- the looseness of soil
- fissures of hot, acidic water
- exposure to cold
- Plant growth is reduced
- heat production
- looseness of dirt or compost
Answer: Mechanical weathering

Question: You are presented with the quiz "What does a plant require for reproduction?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plant requires seed dispersal for reproduction" and "rodents as seed consumers and seed dispersers". So, what's the best answer to the question?
OPTIONS:
- Males and females
- sperm and egg fuse
- male gametes
- fertilization occurs
- organic material
- fertilization
- Something a rodent does
- food particles
Answer:
Something a rodent does