What is the primary force driving the geological activity on Earth?
Understand the Problem
The question is asking us to identify the main factor that causes geological processes on Earth from a list of options provided.
Answer
Heat and gravitational forces ('ridge push' and 'slab pull').
The primary force driving geological activity on Earth is the heat from the Earth's internal heat and the gravitational forces associated with 'ridge push' and 'slab pull'.
Answer for screen readers
The primary force driving geological activity on Earth is the heat from the Earth's internal heat and the gravitational forces associated with 'ridge push' and 'slab pull'.
More Information
Geological activity such as plate tectonics is driven by the heat produced within the Earth's interior, largely from the decay of radioactive isotopes, and gravitational forces exerted on tectonic plates.
Tips
A common mistake is to overlook the role of radiation decay in generating internal heat, which significantly contributes to driving plate movements.
Sources
- What are the forces that drive plate tectonics? - iris.edu
- Plate tectonics - Wikipedia - en.wikipedia.org
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