*Question*
You are presented with the question "Estuaries allow for appropriate what for a species" and the following answer choices: - sunlight - weather - reusing materials - wind - population size - Quality of life - root growth - recovery Now knowing that population size influences the chances of a species surviving and estuaries are critical for the survival of many species, choose the best answer.
**Answer**
population size

*Question*
You are presented with the question "Antigens are molecules that prompt the what of antibodies?" and the following answer choices: - termination - failure - humans - decrease - production - anemia - rapid expansion - kinetic Now knowing that antigens are molecules that the immune system recognizes as foreign to the body and antigens prompt the body to produce antibodies, choose the best answer.
**Answer**
production

*Question*
You are presented with the question "What process creates sand?" and the following answer choices: - Water expanding - beach - evaporation - friction - silicon dioxide - weathering - dunes - rainfall Now knowing that the surface of a beach is formed by mechanical weathering and beaches Anymore Sand is one of the most common materials on the earth's surface, choose the best answer.
**Answer**
weathering

*Question*
You are presented with the question "what heats food?" and the following answer choices: - water - electricity - ice - Enzymes - cooking oil - cells - Fuel cells - kinetic energy Now knowing that apan is used for cooking food by heating food in it on a stove and heat pan, add cooking oil to pan, choose the best answer.
**Answer**
cooking oil