Problem:OPTIONS:
- our planet
- in a vacuum
- in the desert
- Earth's atmosphere
- In the winter
- in a laboratory
- on the moon
- forest is destroyed

Fact 1: Conserving water can be used for survival in a dry environment. Fact 2: We learned about desert plants and how they adapt themselves to the hot dry desert environment so they can survive. Given the two facts above, plants can conserve water in order to survive where?
****
A: in the desert

Problem:OPTIONS:
- hydrate their cells
- density
- weathering
- organic matter
- By wind and rain
- Something made from fermented ricce
- proteins and nucleic acids
- plastic

Fact 1: Nitrogen is found in proteins, nucleic acids, and chlorophyll. Fact 2: Lawns eat nitrogen. Given the two facts above, what do lawns eat?
****
A: proteins and nucleic acids

Problem:OPTIONS:
- gravity
- mammals
- animals
- trees
- humans
- density
- volume
- potatoes

Fact 1: All life relies on a relatively narrow range of pH, or acidity. Fact 2: Human life is dependent life. Given the two facts above, what relies on a relatively narrow range of acidity?
****
A: humans

Problem:OPTIONS:
- migrate
- Sleep
- drink
- Dance
- sweat
- Eat
- Die
- bite

Fact 1: Mating is generally preceded by courtship. Fact 2: Many birds perform elaborate courtship dances. Given the two facts above, what do many birds do before they mate?
****
A:
Dance