Q: Fact 1: Creating paper requires cutting down trees. Fact 2: To cut down a tree is like destroying a life. Given the two facts above, creating paper may cause? | OPTIONS:
- Physical weathering
- Something to move
- destroying life
- It expands
- Greenhouse gases
- contamination
- Pollution
- harmful substances
A: destroying life

Q: Fact 1: Vertebrate chordates have a backbone. Fact 2: Birds are a class of the chordates or vertebrate phylum. Given the two facts above, what have a backbone? | OPTIONS:
- humans
- clouds
- jellyfish
- birds
- cats
- invertebrates
- dogs
- toads
A: birds

Q: Fact 1: Most genes contain the instructions for a single protein. Fact 2: Genes are blueprints for making proteins. Given the two facts above, what do genes contain? | OPTIONS:
- A Greek letter
- sensory neurons
- Energy
- trash
- blueprints
- Chemical energy
- water
- organelles
A: blueprints

Q: Fact 1: Evaporation can be used for separating a solute from a solvent in a solution. Fact 2: Water as a Solvent Water is an excellent solvent. Given the two facts above, evaporation can be used for separating a solute from? | OPTIONS:
- soil
- salts
- Water
- vapors
- liquid
- gas
- compounds
- lipids
A: Water