input with options: Q: Which type of natural disturbance in temperate grasslands, can be caused by a lightning strike? A:
OPTIONS:
- drought
- mass extinction
- avalanche
- fire
output: fire

Q: Q: What is a substance that can not be broken down any further into other substances? A:

OPTIONS:
- pure molecule
- pure material
- unbreakable substance
- pure substance

A: pure substance

input: OPTIONS:
- lumbar foramina
- notochord
- synovial fluid
- intervertebral foramina Now, answer this question: Q: The name of a spinal cord region corresponds to the level at which spinal nerves pass through the what? A:
A:
output: intervertebral foramina

Q: When cats mark their territory by rubbing their face against an object, they deposit chemicals released by what structures? A:

OPTIONS:
- whiskers
- pituitary glands
- taste buds
- scent glands

Answer: scent glands

Problem: OPTIONS:
- fluid selection
- Natural choice.
- natural change
- natural selection
Q: Q: What is the process resulting in living things with beneficial traits producing more offspring? A:
Answer: natural selection

Q: Conduction from the core has what effect on the lower mantle? A:

OPTIONS:
- it vibrates it
- it makes it rotate
- it cools it
- it heats it

Answer:
it heats it