*Question*
If estuaries allow for appropriate population size for a species, then estuaries allow for appropriate what for a species? Answer choices: - sunlight - weather - reusing materials - wind - population size - Quality of life - root growth - recovery
**Answer**
population size

*Question*
If antigens are molecules that prompt the production of antibodies, then antigens are molecules that prompt the what of antibodies? Answer choices: - termination - failure - humans - decrease - production - anemia - rapid expansion - kinetic
**Answer**
production

*Question*
If sand is formed by weathering, then what process creates sand? Answer choices: - Water expanding - beach - evaporation - friction - silicon dioxide - weathering - dunes - rainfall
**Answer**
weathering

*Question*
If cooking oil heats food, then what heats food? Answer choices: - water - electricity - ice - Enzymes - cooking oil - cells - Fuel cells - kinetic energy
**Answer**
cooking oil