Fact 1: Hydropower requires damming a river. Fact 2: Many dams along rivers and creeks help prevent floods. Given the two facts above, hydropower requires what?
OPTIONS:
- a hydraulic system
- increases a body's strength
- helping to prevent floods
- Electric generators
- flow of electrons
- energy of moving objects
- power stations
- fissures of hot, acidic water
helping to prevent floods
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Fact 1: Sunlight and rain can cause a rainbow. Fact 2: Rainbow A most charming example of chromatic dispersion is a rainbow. Given the two facts above, what is caused by sunlight and rain?
OPTIONS:
- colors of the spectrum
- Chemical energy
- forest is destroyed
- heat energy
- scattered light
- chemical changes
- chromatic dispersion
- rays or beams
chromatic dispersion
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Fact 1: Fungi spores can develop into new haploid individuals without being fertilized. Fact 2: First, bacteria are haploid. Given the two facts above, what can fungi spores develop into without being fertilized?
OPTIONS:
- shrub beds
- litter
- Sugar
- Protein
- Bacteria
- graptolites
- ferns
- Food
Bacteria
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Fact 1: Hydropower requires damming a river. Fact 2: Hydropower is a renewable, economical source of electricity. Given the two facts above, what does a renewable, economical source of electricity require?
OPTIONS:
- damming a river
- power stations
- freezing h2o
- electricity
- burning fossil fuels
- hydrogen and oxygen
- sunlight
- nuclear meltdowns
damming a river
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