Problem:OPTIONS:
- earthworms
- a cuticle
- humans
- fish
- barnacles
- Most plants
- h2o
- roots

Fact 1: Annelids have the amazing capacity to regrow segments that break off. Fact 2: Annelids include earthworms and leeches. Given the two facts above, what can regrow segments that break off?
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A: earthworms

Problem:OPTIONS:
- adding heat
- changing degrees
- Temperature
- scattered light
- energy
- refracting light
- Energy.
- absorbing moisture

Fact 1: The sun causes water to evaporate more quickly by adding heat. Fact 2: Evaporation is when the sun heats the water and changes some of it to gas. Given the two facts above, the sun causes water to change partially to gas by doing what?
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A: adding heat

Problem:OPTIONS:
- The atmosphere
- the sun
- nucleus of a cell
- fossil fuels
- oceans
- interstellar space
- objects that have mass
- h2o

Fact 1: Plasma is formed by electrons separating from atoms in stars. Fact 2: Interstellar space contains a plasma. Given the two facts above, what contains electrons, atoms, and stars?
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A: interstellar space

Problem:OPTIONS:
- Solar flare
- wind
- cars
- storms
- carbon
- time
- oil
- trees

Fact 1: Using a car causes pollution. Fact 2: Pollution is anything that spoils the environment. Given the two facts above, what hurts the environment?
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A:
cars