Ocean Currents Are Most Significantly Affected by ____

question 48

Multiple Choice

Ocean currents are most significantly affected by ____.

• A) variations in air temperature from one day to another
• B) the amount of rainfall over the ocean
• C) variation in winds over the ocean and changes in the shapes of land masses
• D) the activity of marine animals near the surface of the open ocean
• E) the amount of runoff going into the ocean from land

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Definitions:

Marginal Revenue

Increase in earnings from selling an additional unit of a product or service.

TR = TC

The condition where total revenue equals total cost, indicating a break-even point in financial performance.

MR = MC

A principle in economics where the optimal level of production is reached when Marginal Revenue (MR) equals Marginal Cost (MC).

P < AVC

A condition where the price (P) of a good is less than the average variable cost (AVC), indicating a firm is not covering its variable costs and may cease production in the short run.