Paragraph comprehension · Difficulty 1
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Desert temperatures can fall sharply after sunset because dry air and sparse cloud cover allow heat to escape quickly. What causes the rapid nighttime cooling?
- Heavy rainfall
- Dry air and few clouds
- Strong ocean currents
- Dense vegetation
Reveal answer and explanation
Dry air and few clouds
The passage directly identifies dry air and sparse cloud cover as the cause.