What is the measure of a solution's acidity or alkalinity?
A. Atomic mass
B. Dissolved oxygen
C. Electrical charge
D. pH
Ans: D. pH
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Earth systems science depends on the validity of the Gaia hypothesis
Indicate whether the statement is true or false
These are intense, rotating convectional systems that develop over warm ocean areas in the tropics and subtropics, primarily during the warm season
A) Tropical cyclones B) Tropical anticyclones C) Midlatitude Cyclones D) Midlatitude anticyclones E) Bergeron storms
Which of the following can be treated by administering aldosterone?
A) high blood pressure B) high cholesterol C) high triglycerides D) tissue swelling
Which of the following group of regions receive the most frequent thunderstorms?
A. Great Lakes, north Africa, Japan B. Gulf of Mexico, central Africa, Southeast Asia C. west Coast of U.S., northern Canada, Antarctica D. west coast of South America, west coast of south Africa, southern Australia