In the photic zone, the dissolved oxygen concentration is typically ____ that in the dark waters below the photic zone.

The term for the total concentration of salts in seawater is ____.

The processing of carbohydrates in cells for the release of energy and CO2 is known as ____.

The concentration of carbon dioxide in water typically ____ with the amount of time the water has been out of contact with the ocean surface layer.

The specific heat of ice is half that of liquid water.  Therefore, if 1 calorie of heat is required to raise the temperature of 1 g of liquid water by 1° C (1 degree Celsius) how much heat is required to raise the temperature of 1 g of ice by 1° C?

Water is known as the universal solvent because ____.

In a discussion of seawater, “salt” refers to ____.

Refer to Table 8-4. Consider the data above (in billions of dollars) for an economy: Gross domestic product (in billions of dollars) for this economy equals  Table 8-4  Consumption expenditures $800 Investment expenditures   300 Government purchases   300 Government transfer payments   400 Exports   300 Imports   100

The GDP deflator is a measure of the  

The informal sector can be a significant drag on the economies of developing countries because the firms in the informal sector