You are presented with the quiz "chemical weathering causes what to change to limonite"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chemical weathering causes iron in rock to oxidize" and "also pyrite within the altered wall rock is oxidized to limonite, geothite and hematite".   So, what's the best answer to the question?
OPTIONS:
- pyrite
- growth
- Collagen
- fibrous
- cellulose
- soil
- cracks
- calcite

Answer: pyrite


You are presented with the quiz "Unique leaf adaptions on some plants have enabled them to do what?"   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 "many plants have developed unique leaf adaptations in order to conserve water".   So, what's the best answer to the question?
OPTIONS:
- rapid expansion
- To avoid death
- survive in dry environments
- reducing acid rain
- photosynthesis
- refraction of light
- prevent heat loss
- it keeps an organism warm

Answer: survive in dry environments


You are presented with the quiz "What is used to protect plants by keeping their temperature?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "agreenhouse is used to protect plants by keeping them warm" and "temperatures go from warm to hot".   So, what's the best answer to the question?
OPTIONS:
- a white house
- energy
- an electric stove
- a microwave
- electricity
- a thermometer
- exoskeleton
- a greenhouse

Answer:
a greenhouse