How Has Stratospheric Ozone Loss Disrupted Food Webs in the Antarctic

question 56

Multiple Choice

How has stratospheric ozone loss disrupted food webs in the Antarctic?

• A)sea turtles are declining as their egg production is affected by increased UV radiation
• B)phytoplankton populations are declining because increased UV radiation reduces photosynthetic activity
• C)whales exposed to increased UV radiation are getting cancer and dying
• D)increased UV radiation warms ocean water temperatures resulting in increasing numbers of krill

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Definitions:

Regular IRR

The Internal Rate of Return (IRR) is a financial metric used to estimate the profitability of potential investments.

WACC

The Weighted Average Cost of Capital represents the average cost of a company's financing (debt and equity), where each form of capital is weighted according to its proportion in the overall financing mix.

NPV

Net Present Value; a method used in capital budgeting to assess the profitability of an investment or project, calculated by discounting future cash flows to their present value and subtracting the initial investment.

IRR

The Internal Rate of Return, a financial metric used to evaluate the profitability of potential investments, calculated as the discount rate that makes the net present value of all cash flows equal to zero.