Which of the following statements is true about seawater?
A) The salinity of seawater is negligible.
B) Seawater is a solution.
C) Seawater is pure water (H20).
D) Seawater is densest near the surface, with decreasing density at increasing depths.
E) The chemical composition of seawater has little spatial variability.
B
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There are many beautiful beaches in Italy.
Answer the following statement(s) true (T) or false (F)
China currently
a. has the second largest economy on the planet b. is the world's largest producer of wind turbines, and is projected to soon be the largest producer of solar cells c. is the second largest economy on the planet and is the world's largest producer and consumer of cars. d. is the world's largest producer and consumer of cars, and is the largest producer of solar cells. e. is the second largest economy on the planet, is the world's largest producer of wind turbines and cars, and is is projected to soon be the world's largest producer of solar cells.
An electric instant water heater is just as efficient as a gas-fired instant one.
Answer the following statement true (T) or false (F)
Which of the following describes where the tropical easterly jet stream is generally located on an upper-level (100 hPa) chart in the northern hemisphere during July?
A. south of the upper-level subtropical high B. north of the upper-level subtropical high C. north of the polar front D. directly over the polar front