*Question*
Q: How can you prevent your ice cream from getting a sandy texture? Choices: - by using lowfat milk - by adding oil - by adding salt - by using fructose A:
**Answer**
by using fructose

*Question*
Q: Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what? Choices: - parasites - white blood cells - vaccines - pathogens A:
**Answer**
pathogens

*Question*
Q: What is the term for electric current that keeps reversing direction? Choices: - direct current - AC/DC - magnetic current - alternating current A:
**Answer**
alternating current

*Question*
Q: What kind of current flows in just one direction? Choices: - physical current - slow current - Alternating current - direct current A:
**Answer**
direct current