input: OPTIONS:
- velocity
- frequency
- diameter
- density Now, answer this question: Q: What expresses the mass of substance in terms of the volume occupied by the substance? A:
A:
output: density

Q: A binary molecular compound is a molecular compound that is composed of what? A:

OPTIONS:
- two atoms
- four atoms
- four elements
- two elements

Answer: two elements

Problem: OPTIONS:
- production and precision
- Aim and precision
- equilibrium and precision
- accuracy and precision
Q: Q: What does the distribution of darts on a dartboard shows the difference between? A:
Answer: accuracy and precision

Problem:OPTIONS:
- skeletal muscle
- controllable muscle
- smooth muscle
- cardiac muscle

Q: A desmosome is a cell structure that anchors the ends of what fibers together? A:
****
A: cardiac muscle

Q: What is rusting an example of? A:
OPTIONS:
- radiation change
- Decomposition
- contamination change
- chemical change
chemical change

Q: What triangular feature is formed when a river empties into a large body of still water? A:
OPTIONS:
- flow
- confluence
- region
- delta

Answer:
delta