Problem:OPTIONS:
- purple phosphorus
- yellow phosphorous
- green phosphorus
- white phosphorus

Q: Phosphorus exists as several allotropes, the most common being red, black, and what? A:
****
A: white phosphorus

Q: Runoff is likely to cause more what if the land is bare? A:
OPTIONS:
- abrasion
- sediment
- weathering
- erosion
erosion

Q: What do willow trees produce to kill bacteria? A:
OPTIONS:
- facultative acid
- Posion
- bacterial acid
- salicylic acid

Answer: salicylic acid

Question: Q: Unlike liver bile, 'juice' produced by what organ is clear and composed mostly of water along with some salts, sodium bicarbonate, and digestive enzymes? A:
OPTIONS:
- spleen
- gallbladder
- stomach
- pancreas
Answer: pancreas

input with options: Q: What term is used to describe structures that are similar in unrelated organisms? A:
OPTIONS:
- reproductive
- symbolic
- isolated
- analogous
output: analogous

Problem: OPTIONS:
- no energy
- high energy
- low sand density
- low energy
Q: Q: What causes waves to bring sand up onto the beach during summers? A:
Answer:
low energy