input: OPTIONS:
- none of the above
- hydrostatic skeleton
- exoskeleton
- endoskeleton Now, answer this question: Q: Of the three types of skeleton designs - hydrostatic skeletons, exoskeletons, and endoskeletons - which do humans possess? A:
A:
output: endoskeleton

Q: What is the most widely accepted theory explaining how muscle fibers contract? A:

OPTIONS:
- sliding pigment theoery
- sliding tritium theory
- sliding carbon theory
- sliding filament theory

Answer: sliding filament theory

Problem: OPTIONS:
- sound
- light
- dust
- radiation
Q: Q: What does every star emit that humans cannot see? A:
Answer: radiation

Problem:OPTIONS:
- analogous pressure
- cellular pressure
- tissue pressure
- vapor pressure

Q: What term describes a property of a liquid based on the strength of its intermolecular forces? A:
****
A: vapor pressure

Q: Plants that live in the desert are called? A:
OPTIONS:
- xerozoans
- heatophiles
- sporozoans
- xerophytes
xerophytes

Q: What type of rain dissolves limestone and marble? A:
OPTIONS:
- carbon
- natural
- sulfur
- acid

Answer:
acid