Scientists know a great deal about the processes that shape Earth's surface because they follow the principal of uniformitarianism, which states that geologic processes that operate today also operated in the past.
Think about a mountain and how it may change over the next thousand years.
Choose the words that correctly complete each sentence.

1. scientists know that the mountain will?
A. Become a volcano
B. experience deposition
C. experience weathering
D. not change that soon

2.this is because landforms
A. Are constantly building up
B. undergo the same process
C. are unpredictable
D. are all different

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.