Q: What is the term for the average number of individuals in a population per unit of area or volume? A:

OPTIONS:
- population diameter
- population structure
- Density group
- population density

Answer: population density

Problem: OPTIONS:
- fossil compounds
- carbon
- coal fuels
- fossil fuels
Q: Q: Burning trees produces most of the same pollutants as burning what? A:
Answer: fossil fuels

Problem:OPTIONS:
- light
- ions
- atoms
- particles

Q: Radioactive decay can give off energy and what else? A:
****
A: particles

Q: What are the two basic parts that all flowering plants have in common? A:
OPTIONS:
- metal and petiole
- stalk and petiole
- leaf and petiole
- blade and petiole
blade and petiole

Q: Gene expression and what else are usually considered the same molecular process? A:
OPTIONS:
- photosynthesis
- subtractive synthesis
- organism synthesis
- protein synthesis

Answer: protein synthesis

input with options: Q: What do waves do when they are unable to pass through an object? A:
OPTIONS:
- produce off
- Roll over.
- develop off
- reflect off
output:
reflect off