Answer:
The correct answer is:
A) They get a sense of the history of the area they are investigating
Explanation:
The age of the rocks located in the different layers is estimated because the absolute age is checked by measuring the radioactive decay of the isotopes of the elements.
The density of a rock depends on both its mineral composition and its porosity and various procedures are necessary to determine the reliable average values.
The value of the rocks is relative and is determined based on the objectives of the geological survey.
The answer is C, 2004 ... decreasing
Answer:
B. a plant that was used to make blue dye
Explanation:
Answer:
I think Literacy rates and Standard of living
