Hard water is caused by the presence of:
a. calcium and sodium
b. calcium and magnesium
c. sodium and magnesium
d. sodium and sulfate
b
Environmental & Atmospheric Sciences
You might also like to view...
Explain how various leaders of the Near Abroad have dealt with Russia since the fall of the Soviet Union
What will be an ideal response?
Environmental & Atmospheric Sciences
The latitude at which the sun is directly overhead is known as the sun's declination
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
If the axial rotation of Earth slowed, the day-to-night temperature variation on Earth's surface would decrease.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Moving the Cape Hatteras lighthouse from its shore location inland is an example of
A. hard structural stabilization. B. a non-structural strategy. C. soft structural stabilization. D. increasing wave base.
Environmental & Atmospheric Sciences