A scientist is observing surface groundwater features to determine sources of groundwater. Which is one surface feature that the scientist can observe and map?

spring
saturated zone
aquifer
water table

When water freezes, it . contracts expands

What is the role of the phospholipid belayer in cellular transport in living cells

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs