How Long Did It Take for Oxygen to Build Up

question 36

Multiple Choice

How long did it take for oxygen to build up in the Earth's atmosphere to its present levels?

• A) 545 million years
• B) 360 million years
• C) 2 billion years
• D) 3.5 billion years

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Definitions:

MIRR

Modified Internal Rate of Return, a financial metric that accounts for the cost of capital and reinvestment of cash flows.

IRR

The interest rate at which the total present value of a project or investment's incoming and outgoing cash flows sum to zero.

WACC

A technique called Weighted Average Cost of Capital computes a firm’s cost of funds, taking into account the proportional weighting of various capital types.

NPV

Net Present Value represents a technique for assessing the profitability of a project or investment, utilized in the process of capital budgeting.