input: OPTIONS:
- By wind and rain
- Deposition
- Deposition.
- algae
- Chemical energy
- plant wall
- plant material
- polysaccharides Now, answer this question: You are presented with the quiz "What do plants build their cell walls from?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants use cellulose for their cell walls" and "another important polysaccharide is cellulose". So, what's the best answer to the question?
A:
output: polysaccharides

input: OPTIONS:
- smallpox
- A virus
- disease
- sun's heat
- cancer
- leukemia
- Pollution
- heat energy Now, answer this question: You are presented with the quiz "What does the skin protect against?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "skin is used for protecting the body from harmful substances" and "pollution is the release of harmful substances into the environment". So, what's the best answer to the question?
A:
output: Pollution

input: OPTIONS:
- Chemical dating
- Mechanical dating
- Non radioactive dating
- blastoids
- single-celled organisms
- Seismometer
- Radioactive dating
- an electron microscope Now, answer this question: You are presented with the quiz "What do geologists use to determine the age of rock layers?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "radioactive dating is used to determine the age of fossils" and "geologists use fossils to determine the age of the rock layer that it was found in". So, what's the best answer to the question?
A:
output:
Radioactive dating