A scientist collected data that demonstrate that the course of a stream has shifted over time. Which of these fields of science did the scientist most
likely use to interpret the data and reach this conclusion?
A. Oceanography
B. Geology
C. Biology
D. Chemistry

Which statement is true regarding weathering in dry environments? a) chemical weathering is absent because of a lack of humidity. b) physical weathering is usually more evident than chemical weathering. c) it is impossible to identify the type of weathering that has occurred. d) physical weathering does not play a significant role in dry environments.