*Question*
Q: When a meteoroid reaches earth, what is the remaining object called? Choices: - comet - meteor - orbit - meteorite A:
**Answer**
meteorite

*Question*
Q: How many millions of years ago did pangaea begin breaking apart? Choices: - 600 - 400 - 500 - 250 A:
**Answer**
250

*Question*
Q: What supports life, and is also needed for the water cycle and weather? Choices: - fossil fuels - oxygen - greenhouse gas - atmosphere A:
**Answer**
atmosphere

*Question*
Q: How does burning matter affect its mass? Choices: - the mass quadruples - the mass increases - the mass decreases - the mass remains the same A:
**Answer**
the mass remains the same