1. what's a stalactite?
a. large mound of dirt created by erosion
b. poisonous mass found in caves that is formed by polluted water
c. mound-shaped stone shaped by weathering
d. dripstone produced by a buildup of minerals precipitated from groundwater
and
2. which of the following statements describes rill erosion?
a. the population increases next to a shoreline.
b. sand along a shoreline is repeatedly picked up by waves.
c. sediment is deposited by a river.
d. running water cuts small channels into a slope.