Q: The water cycle involves movement of water between air and what? A:

OPTIONS:
- tree
- animals
- air
- land

Answer: land

Problem: OPTIONS:
- childhood
- infancy
- adulthood
- adolescence
Q: Q: Puberty and other physical changes occurs during which stage of development? A:
Answer: adolescence

Problem:OPTIONS:
- bacteria and tumors
- molecules and fungi
- tumors and fungi
- bacteria and fungi

Q: Humans use many compounds that were first discovered or derived from living organisms as medicines: secondary plant compounds, animal toxins, and antibiotics produced by these? A:
****
A: bacteria and fungi

Q: What is the term for an ionic compound that produces positive hydrogen ions when dissolved in water? A:
OPTIONS:
- hydrocarbon
- sulfur
- base
- acid
acid

Q: Homes and transportation use what percent of all energy in the u.s.? A:
OPTIONS:
- twenty five
- fifteen
- forty
- half (fifty)

Answer: half (fifty)

input with options: Q: What type of contamination causes almost 90% of diarrheal disease worldwide? A:
OPTIONS:
- air contamination
- ground contamination
- food contamination
- water supply contamination
output:
water supply contamination