Q: The "knee-jerk" motion that people involuntarily perform after being struck in the knee in a certain way is an example of what kind of behavior? A:
OPTIONS:
- reaction
- spasm
- sensor
- reflex
reflex

Q: What part of a sample can be represented by the mean, median, and mode? A:
OPTIONS:
- present tendency
- large tendency
- outer tendency
- central tendency

Answer: central tendency

Question: Q: What is the term for the process in which two atomic nuclei fuse together to make a single nucleus? A:
OPTIONS:
- absorption
- fission
- binding
- fusion
Answer: fusion

input with options: Q: Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what? A:
OPTIONS:
- chemical trends
- gravity trends
- acoustic trends
- periodic trends
output: periodic trends

Q: Q: The soil beneath a deciduous forest is called what? A:

OPTIONS:
- cocklebur
- forest floor
- trichina
- pedalfer

A: pedalfer

Q: Fish and other aquatic organisms use gills to capture dissolved what? A:
OPTIONS:
- food
- sulfur
- nitrogen
- oxygen
oxygen