Q: Fact 1: Killing microorganisms in food can be used to extend the shelf life of that food. Fact 2: Cooking kills the microorganisms. Given the two facts above, what can extend the shelf life of food?

OPTIONS:
- cooking it
- Enzymes
- evaporation
- rays or beams
- running it under water
- Proteins
- seasoning it
- putting it on a counter

A: cooking it

Q: Fact 1: The emission of sulfur dioxide causes acid rain. Fact 2: Sulfur in the coal becomes sulfur dioxide when burned. Given the two facts above, acid rain can be a result of:?

OPTIONS:
- burning
- citric acid
- flow of electrons
- fashion
- acid wash
- chemical changes
- burning coal
- Pollution

A: burning coal

Q: Fact 1: Populations of viruses do not grow through cell division because they are not cells. Fact 2: Influenza viruses change constantly. Given the two facts above, what does not grow through cell division?

OPTIONS:
- cells
- bushes
- eukaryotes
- prokaryotes
- Leptospirosis
- bacteria
- influenza
- fungi

A: influenza

Q: Fact 1: Water vapor cooling causes that water vapor to condense. Fact 2: When water vapor condenses, energy is released. Given the two facts above, water vapor cooling causes that water vapor to do what?

OPTIONS:
- heating liquids
- boiling
- It gets heated up
- Heat energy
- chemical changes
- solid, liquid, gas
- evaporation
- Release energy

A:
Release energy