Determine the exact age of rocks through use of unstable

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Reference no: EM133269444

Assignment:

1. Seafloor spreading hypothesized that oceanic crust is moving away from the ridge which is an implication of ________________.

A. The sea was once shorter

B. Rocks near the ridge are older

C. Rocks near the ridge are younger

D. Continents were moving

2. What causes the production of new ocean floor?

A. Earthquake

B. Volcanic eruptions

C. Plate boundaries

D. Plate movements

3. Which of the following is not a result of the effects of plate convergence?

A. Mid-Atlantic ridge

B. Himalayas

C. Volcanic island arc

D. Continental volcanic arc

4. A dating method used to determine the exact age of rocks through the use of unstable elements.

A. Relative dating

B. Absolute dating

C. Geologic time scale

D. Fossil inspection

5. Rocks are used to determine the history of the Earth, which among the following could also be used in understanding Earth`s history?

A. Weather patterns

B. Fossils

C. Pictures in museum

D. Plants and animals present today

6. "A layer that cut another is younger than the layer it cuts through", what does this statement describe?

A. Law of Superposition

B. Principle of Original Horizontality

C. Conformities

D. Principle of Cross-cutting relationships

7. What process should take place to removes the younger top layers?

A. Erosion

B. Cementation

C. Condensation

D. Deformation

8. The earliest evidence of life on Earth was?

A. Cyanobacteria

B. Coniferous plants

C. Mammals

D. Dinosaurs

9. The names used in the subdivisions of geologic time scale are based on ___ that characterize or the location it was first described?

A. Fossils

B. Rock types

C. Plants

D. Animal remains

10. Radioactive decay takes place in Earth`s interior which makes it very hot. What process was involved in the mantle keeping the asthenosphere hot and weak?

A. Convection

B. Conduction

C. Radiation

D. Insulation

Reference no: EM133269444

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