input: OPTIONS:
- surface mining
- edge mining
- pit mining
- strip mining Now, answer this question: Q: What is the type of mining called when materials are removed along a strip? A:
A:
output: strip mining

Q: Mammoths, close genetic relatives of modern elephants, are believed to have gone extinct due to hunting by humans and what factor? A:

OPTIONS:
- volcanic eruptions
- earthquakes
- migration change
- climate change

Answer: climate change

Problem: OPTIONS:
- omnivores
- plastids
- monocots
- autotrophs
Q: Q: What is the term for organisms that make their own food? A:
Answer: autotrophs

Problem:OPTIONS:
- weight and energy
- mass and potential
- heat and velocity
- energy and heat

Q: Joules and calories are the units of what? A:
****
A: energy and heat

Q: What causes a meteoroid to vaporize after it enters the atmosphere? A:
OPTIONS:
- gravitational pull
- atmospheric pressure
- spontaneous combustion
- friction with atmosphere
friction with atmosphere

Q: What is the the force of attraction that holds together ions? A:
OPTIONS:
- covalent bond
- soluble bond
- magnetic bond
- ionic bond

Answer:
ionic bond