Question: Q: The outer layer of what anatomical structure is so tough that it keeps out most pathogens? A:
OPTIONS:
- liver
- steel
- bark
- skin
Answer: skin

input with options: Q: Kilauea in hawaii is the world's most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this? A:
OPTIONS:
- greenhouse gases
- carbon and smog
- magma
- smoke and ash
output: smoke and ash

Q: Q: What is the study of rock strata called? A:

OPTIONS:
- biochemistry
- chemistry
- biology
- stratigraphy

A: stratigraphy

input: OPTIONS:
- in tide pools
- attached to marine life
- in coral reefs
- the ocean floor Now, answer this question: Q: Where do polychaete worms live? A:
A:
output: the ocean floor

Q: A wall of rocks or concrete that juts out into the ocean perpendicular to the shore is called? A:

OPTIONS:
- shield
- rib
- fault
- groin

Answer: groin

Q: Q: What is made by trees and other plants during photosynthesis? A:

OPTIONS:
- methane
- carbon dioxide
- nitrogen
- oxygen

A:
oxygen