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.
A. countryside
Many reasons:
1) wrong tense for any of the other answers
2) none of the other answers provide refuge
It established a way to transport textiles and agriculture trade from Africa to Europe, during the early-mid 1800s it was a big accomplishment.
Answer:
For any system closed to all transfers of matter and energy, the mass of the system must remain constant over time.
Explanation:
Search it in google or anything lol it will give you resources with the answer.