Question: Fact 1: Irradiating food can be used to kill existing microorganisms in the food. Fact 2: Irradiation causes chemical changes. Given the two facts above, what can be used to kill existing microorganisms in food?
OPTIONS:
- chemical changes
- Dehydration
- deoxyribonucleic acid
- bacteria
- an electron microscope
- hydration
- electromagnetic energy
- single-celled organisms
Answer: chemical changes

Question: Fact 1: Alight bulb converts electrical energy into light energy when it is turned on. Fact 2: Fluorescent light bulbs use half the electricity of standard bulbs. Given the two facts above, what do flourescent bulbs do?
OPTIONS:
- Change colors
- reproduce
- staying warm
- dormant state
- direct energy
- spread flower seeds
- use less energy
- duplicate itself
Answer: use less energy

Question: Fact 1: All cells share some of the same structures and basic functions. Fact 2: First, a eukaryote is a cell with a nucleus. Given the two facts above, what shares some of the same structures and basic functions?
OPTIONS:
- Veins and arteries.
- insects and viruses
- cells and viruses
- birds and rocks
- all eukaryotes
- sensory neurons
- animals
- mammals
Answer:
all eukaryotes