Referring to the scenario in the previous question, respond to this question:
Resurgence of the cottonwood forest along the riverbank led to cooler water in certain areas of the river. Cool water contains more oxygen than warm water. How would this cooler water affect the native fish populations in the river?
a. they would decrease
b. they would stay the same
c. they would initially increase and then decrease
d. they would increase
e. they would be choked out by the algal bloom that resulted from the increased oxygen
D
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The dominant element in continental crust are
A) silica and aluminum. B) silica and magnesium. C) magnesium and aluminum. D) potassium and iron.
What is the efficiency of a photovoltaic module (Figure P7.7) with the following specifications?
maximum power output
= 250 W (at illumination of 1 kW/m2)
A = 900 mm
B = 1,400 mm
The United States and Canada have always been in strong agreement on critical aspects of economics and trade issues
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. Canada's provinces have less autonomy than do U.S. states. 2. Today the eastern mountains have thin soils on steep slopes. 3. A greater range of natural hazards than in any other country in the world marks the natural environments of the United States. 4. A major growth in manufacturing occurred after the 1860s with the adoption of steel production. 5. The region called the America South includes all of Texas in the west and Florida in the east.