Problem: OPTIONS:
- steam cloud
- volcano
- fissure
- hot spring
Q: Q: When hot water gently rises to the surface, it creates a what? A:
Answer: hot spring
Problem: OPTIONS:
- earth
- water
- horizon
- sun
Q: Q: Over 90% of the energy we use comes originally from what? A:
Answer: sun
Problem: OPTIONS:
- pests
- viruses
- pathogens
- bacteria
Q: Q: What is the most abundant living thing on earth that can be found in almost any environment? A:
Answer:
bacteria