Question: Q: An example of a variable relating to the ramp is its what? A:
OPTIONS:
- color
- mass
- weight
- steepness
Answer: steepness

input with options: Q: New land can be created when what happens to a volcano? A:
OPTIONS:
- it evolves
- it dies
- it stays dormant
- it erupts
output: it erupts

Q: Q: What is the most common type of volcano? A:

OPTIONS:
- geyser
- block cone
- flat
- cinder cone

A: cinder cone

input: OPTIONS:
- light
- electricity
- enzymes
- energy Now, answer this question: Q: Chemical reactions either require or release what? A:
A:
output: energy

Q: What term means the time in which half of the original number of radioactive nuclei in a sample decay? A:

OPTIONS:
- reduced life
- quarter-life
- partial-life
- half-life

Answer: half-life

Q: Q: The nuclei of radioisotopes are unstable, so they constantly decay and emit what? A:

OPTIONS:
- moisture
- acid
- chemicals
- radiation

A:
radiation