*Question*
Q: What did rockets help launch into space during their beginning? Choices: - rovers - shuttles - sensors - satellites A:
**Answer**
satellites

*Question*
Q: In a ketone, two of which kind of groups are attached to the carbonyl carbon atom? Choices: - ions - nitrogen groups - oxygen groups - carbon groups A:
**Answer**
carbon groups

*Question*
Q: When magma cools slowly, what texture does it have? Choices: - large squares - large gases - small circles - large crystals A:
**Answer**
large crystals

*Question*
Q: In the human ear, sound waves cause the stapes to press against what? Choices: - yellow window - shaped window - Idea Window - oval window A:
**Answer**
oval window