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I NEED HELP ON EARTH SCIENCE PLEASE ANYONE!!!!!!!

1.Which of the following statements about uniformitarianism is correct?

A. Geological processes occurring today have always occurred in the past.
B. Geological processes have changed throughout the earth's history.
C. Features on the earth's surface formed as they appear today and have never changed.
D. Geological processes have stopped completely at different points in time.

2.What tests were able to determine when continental crust was formed?

A. Stratigraphic measurement and argon-aluminum dating
B. Stratigraphic measurement and strontium-rubidium dating
C. Potassium-argon dating and half-life isotopes
D. Relative dating and carbon-prototyping

3.Why is open pit mining so devastating to the environment?
( CANT BE 'C' ALREADY TRIED IT)
A. It completely removes any available topsoil.
B. It causes massive erosion of sand.
C. It releases a lot of carbon dioxide into the air.
D. It exposes dangerous chemicals buried in the earth's crust.

User Turushan
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6.1k points

2 Answers

2 votes

Answer: 1. Geological processes occurring today have always occurred in the past. - is correct about uniformitarianism.

Step-by-step explanation:

User Fabianopinto
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5.0k points
6 votes

Answer:

1. A.

2.D.

3.B.

Step-by-step explanation:

Notepad:

A. The present is key to the past. The geological processes ocurring today have always ocurred in the past. So if we want to predict what is going to happen in the future, we need to understand the Earth's past.

B. The tests that are used to determine when continental crust was formed are the relative dating and carbon prototyping

C. Open pit mining, this type of mining is very damaging to the environment because strategic minerals are often only available in small concentrations, which increases the amount of ore needed to be mined.

User Jglasse
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5.6k points