Which of the Following Energy Sources Is Thought to Directly

question 97

Multiple Choice

Which of the following energy sources is thought to directly drive the lateral motions of Earth's lithospheric plates?

• A)tidal gravitational attractive forces of the Sun and Moon
• B)electric and magnetic fields generated in and radiating from the inner core
• C)export of heat from deep in the mantle to the top of the asthenosphere and descending cold material in a solid state convective flow
• D)rotational spinning of the Earth, with the plates dragging behind

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Definitions:

Required Rate

is the minimum return that investors expect from an investment, taking into account the risk level compared to the risk-free rate of return.

Net Present Value

A valuation method used to determine the attractiveness of an investment opportunity, calculating the difference between the present value of cash inflows and the present value of cash outflows over a period of time.

Profitability Index

A financial metric used to evaluate the desirability of an investment or project, calculated as the present value of future cash flows divided by the initial investment cost.

Discounted Payback

is a capital budgeting method that calculates the period of time required for the discounted cash flows from a project to recoup its initial cost.