Q: Rainwater absorbs carbon dioxide (co 2 ) as it falls. the co 2 combines with water to form what? A:
OPTIONS:
- carbon monoxide
- nitrate acid
- methane gas
- carbonic acid
carbonic acid

Q: What is the period from earth's origin to the beginning of the phanerozoic eon? A:
OPTIONS:
- Paleolithic
- Cenozoic
- anatolian
- precambrian

Answer: precambrian

Question: Q: Which electromagnetic waves are the most energetic of all electromagnetic waves? A:
OPTIONS:
- sunlight rays
- plasma rays
- ultraviolet rays
- gamma rays
Answer: gamma rays

input with options: Q: What model postulates that electrons orbit the nucleus at fixed energy levels? A:
OPTIONS:
- Newton's model
- coreolis
- atomic model
- bohr
output: bohr

Q: Q: What is the main type of organism that gets its energy directly from the sun? A:

OPTIONS:
- animals
- carnivores
- consumers
- plants

A: plants

Q: What is the only continent without amphibians? A:
OPTIONS:
- Australia
- Europe
- Africa
- antarctica
antarctica