Q: Fact 1: The emission of sulfur dioxide causes acid rain. Fact 2: The sulfur dioxide is converted into sulfuric acid. Given the two facts above, what causes acid rain? | OPTIONS:
- gases
- rainfall
- Pollution
- fossil fuels
- emissions
- vehicles
- burning
- wind
A: emissions

Q: Fact 1: Sugar causes food to taste sweet. Fact 2: Sugary foods and sweets are tempting. Given the two facts above, sugar causes food to taste how? | OPTIONS:
- dry
- salty
- sour
- positive
- ligt
- similar
- Glucose
- tempting
A: tempting

Q: Fact 1: Evaporation of sweat uses energy, and the energy comes from body heat. Fact 2: Sweat glands pump perspiration through pores. Given the two facts above, where does the energy to evaporate perspiration come from? | OPTIONS:
- heat produced
- The Sun
- goosebumps
- electrical energy
- kinetic force
- body heat
- heat energy
- energy
A: body heat

Q: Fact 1: Some viruses can cause cancer. Fact 2: Oncogenic viruses are viruses that are linked to cancer. Given the two facts above, what are oncogenic viruses linked to? | OPTIONS:
- orchids
- disease
- cold
- plants
- humans
- health
- bacteria
- radiation
A: disease