Q: Q: What are electromagnetic waves with the longest wavelengths called? A:

OPTIONS:
- channel waves
- sound waves
- infrared waves
- radio waves

A: radio waves

Q: Q: The epidermis consists mainly of what type of cells? A:

OPTIONS:
- cytoplasm
- blood cells
- crystalline
- epithelial

A: epithelial

Q: Q: Does overhead irrigation or drip irrigation use less water? A:

OPTIONS:
- mist irrigation
- stream irrigation
- constant flow
- drip irrigation

A: drip irrigation

Q: Q: Which reaction between alkyl halides and ammonia makes alkylamines? A:

OPTIONS:
- nitrogen catabolism
- conductive substitution reactions
- nucleophobic reactions
- nucleophilic substitution reactions

A:
nucleophilic substitution reactions