*Question*
If insects communicate with chemicals, then insects communicate with what? Answer choices: - wave in air - chemicals - Vibrates - Decibels - waves - speech - whistling - hand signals
**Answer**
chemicals

*Question*
If graduations are used for measuring volume of substances, then what are used for measuring volume of substances? Answer choices: - sea squirts - heat energy - graduations - all liquids - arteries - microscope - rainfall - streams.
**Answer**
graduations

*Question*
If platypus females nest in a burrow and wait for the hatching, then what females nest in a burrow and wait for the hatching? Answer choices: - ostrich - burrowing rabbits - loose soil - insects - warm-blooded - honeybees - rooster - platypus
**Answer**
platypus

*Question*
If oil is formed by the actions of sediment and bacteria, then what do the actions of sediment and bacteria create? Answer choices: - diamonds - harm - vegetable oil - soil - coal - oil - lake - bogs
**Answer**
oil