input with options: Q: Which part of the wave helps make the wave bend and cause refraction? A:
OPTIONS:
- dense part
- heavy part
- bright part
- shallow part
output: shallow part

Q: Q: The binding of what helps eliminate antigens by phagocytosis and complement-mediated lysis A:

OPTIONS:
- proteins
- amino acids
- fats
- antibodies

A: antibodies

input: OPTIONS:
- moving things
- changing molecules
- removing barriers
- changing a force Now, answer this question: Q: A machine is any device that makes work easier by doing what? A:
A:
output: changing a force

Q: Single-displacement reactions are a subset of what? A:

OPTIONS:
- gravitational reactions
- kinetic reactions
- particle reactions
- redox reactions

Answer: redox reactions

Problem: OPTIONS:
- stomach acid
- stool
- fats
- blood plasma
Q: Q: The infection-fighting complement system consists of roughly 30 proteins in? A:
Answer: blood plasma

Q: What is the term for how close a measurement is to the true value? A:

OPTIONS:
- frequency
- validity
- correctness
- accuracy

Answer:
accuracy