input: OPTIONS:
- rayon
- styrofoam
- silicon
- rubber Now, answer this question: Q: What is polyisoprene better known as? A:
A:
output: rubber

Q: What is a thick, dark brown or black liquid found in rock layers of the earth's crust? A:

OPTIONS:
- propane
- fossil fuel
- coal
- oil

Answer: oil

Problem: OPTIONS:
- tides
- gravity
- humidity
- wind
Q: Q: What are ocean waves mainly caused by? A:
Answer: wind

Problem:OPTIONS:
- sensual and auditory
- material and auditory
- interaction and auditory
- visual and auditory

Q: What two types of communication do both humans and birds use primarily? A:
****
A: visual and auditory

Q: Which landmark book on evolution via natural selection did charles darwin publish in 1859? A:
OPTIONS:
- on the origin of mammals
- on the ethnic of species
- on various kinds of animals
- on the origin of species
on the origin of species

Q: Surface tension comes from the fact that particles at the surface of a liquid do not experience interactions from all directions which leads to what on the surface? A:
OPTIONS:
- degradation of forces
- floating particles
- waves
- imbalance of forces

Answer:
imbalance of forces