In the Oceans,sulfur Exists Primarily as ________,And in Rocks and Sediments

question 45

Multiple Choice

In the oceans,sulfur exists primarily as ________,and in rocks and sediments sulfur occurs mostly as ________ and ________.

• A) hydrogen sulfide (H₂S) / gypsum (CaSO₄) / elemental sulfur (Sᵒ)
• B) hydrogen sulfide (H₂S) / sulfate (SO₄²⁻) / elemental sulfur (Sᵒ)
• C) sulfate (SO₄²⁻) / gypsum (CaSO₄) / pyrite (FeS₂)
• D) sulfate (SO₄²⁻) / sulfide (H₂S) / elemental sulfur (Sᵒ)

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Definitions:

Average Total Cost

The total cost of production divided by the total output or quantity of goods produced.

Downward-sloping Market Demand Curve

This concept depicts the inverse relationship between price and quantity demanded in a market, indicating that higher prices typically lead to lower quantities demanded, and vice versa.

Marginal Revenue

The additional income received from selling one more unit of a good or service; it's a critical concept in business and economics for understanding how to maximize profit.

Economies of Scale

Cost advantages that enterprises obtain due to their scale of operation, resulting in the cost per unit of production decreasing with increasing scale.