You are presented with the quiz "can the movement of tectonic plates be predicted? " But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the movement of tectonic plates causes volcanic eruptions" and "volcanic eruptions are predictable". So, what's the best answer to the question?

OPTIONS:
- look
- wind
- eons
- well
- loss
- Rio
- made
- yes

Answer: yes

You are presented with the quiz "What is treating water used to remove before drinking?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "treating water is used to remove harmful substances before drinking" and "arsenic, a naturally occurring substance, contaminates water sources in many countries". So, what's the best answer to the question?

OPTIONS:
- arsenic
- air
- cellulose
- chemicals
- Collagen
- loose dirt
- water vapor
- ice

Answer: arsenic

You are presented with the quiz "Mutation in a gene pool is the raw material for what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mutation creates new genetic variation in a gene pool" and "genetic variation is the raw material for evolution". So, what's the best answer to the question?

OPTIONS:
- Most plants
- animals
- large litters
- competition
- Plants growth
- many offspring
- evolution
- twins

Answer: evolution

You are presented with the quiz "What can ant bites do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "insect bites cause harm to living things" and "ants and butterflies are insects". So, what's the best answer to the question?

OPTIONS:
- DNA damage and mutations
- absorb light energy
- cause predators to come
- decrease stamina
- prevent heat loss
- cause instant death
- cause fertilization
- cause harm to living things

Answer:
cause harm to living things