*Question*
You are presented with the question "what is used for seeing?" and the following answer choices: - feet - smell - fibers - light - radiation - nose - squids - vision Now knowing that eyes are used for seeing by animals by sensing light and vision is out the eyes, choose the best answer.
**Answer**
vision

*Question*
You are presented with the question "What do clams and oysters eat?" and the following answer choices: - Energy. - Plankton - Energy - Oysters - glucose - Clams - Fish - barnacles Now knowing that bivalves feed on plankton and nonliving organic matter and clams and oysters are examples of bivalves, choose the best answer.
**Answer**
Plankton

*Question*
You are presented with the question "What doesn't a phase change alter?" and the following answer choices: - Glaciers - our star - hormones - Weight - Temperature - Warmth - an object - trout Now knowing that phase changes do not change mass and weight is a product of gravity and mass, choose the best answer.
**Answer**
Weight

*Question*
You are presented with the question "Springs can be fed by what?" and the following answer choices: - mechanical waves - vernal equinox - precipitation - rainfall - digestive track - water vapor - aqueous solution - carnivores Now knowing that some precipitation that falls on land may soak into the ground, becoming groundwater and wells are drilled into groundwater and springs are fed by groundwater, choose the best answer.
**Answer**
precipitation