Problem:OPTIONS:
- solid metal
- gas
- dense metal
- liquid metal

Q: What kind of core does mercury have? A:
****
A: liquid metal

Q: What is the term for plants that produce flowers and fruit? A:
OPTIONS:
- endosperms
- spores
- gymnosperms
- angiosperms
angiosperms

Q: During a what type of reaction do chemical changes take place? A:
OPTIONS:
- toxic
- biological
- nuclear
- chemical

Answer: chemical

Question: Q: What elements do water and hydrogen peroxide consist of? A:
OPTIONS:
- carbon and oxygen
- calcium and oxygen
- hydrogen and helium
- hydrogen and oxygen
Answer: hydrogen and oxygen

input with options: Q: Which human body system is a complex network of nervous tissue that carries electrical messages throughout the body? A:
OPTIONS:
- the localized system
- the lymph system
- the bacterial system
- the nervous system
output: the nervous system

Problem: OPTIONS:
- Gerontoplasts
- Chromoplasts
- Leucoplasts
- chloroplasts
Q: Q: What do you call plastids that contain the green pigment chlorophyll? A:
Answer:
chloroplasts