What does the theory of uniformitarianism state?
a. evidence from fossils can give us glimpses into the past.
b. major catastrophic events shaped the earth.
c. earth has not changed for billions of years.
d. geologic processes we see today were also at work in the past.

Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18