Q: Which particle of an atom has a positive electric charge? A:

OPTIONS:
- electron
- nutron
- nucleus
- proton

Answer: proton

Problem: OPTIONS:
- crustaceans
- amphibians
- sponges
- lichens
Q: Q: What have a symbiotic relationship between a fungus and a photosynthetic organism? A:
Answer: lichens

Problem:OPTIONS:
- plane
- section
- arc
- vector

Q: What is an organism that spreads bacteria or other pathogens? A:
****
A: vector

Q: What are formed by the attraction between oppositely charged ions? A:
OPTIONS:
- inept bonds
- soluble bonds
- magnetic bonds
- ionic bonds
ionic bonds

Q: Alcohols can be oxidized to aldehydes or _______. A:
OPTIONS:
- carbohydrates
- sugars
- sugars
- ketones

Answer: ketones

input with options: Q: Lava flows from a volcano and hardens into what? A:
OPTIONS:
- life
- snow
- sand
- rock
output:
rock