Are all changes in relative sea level due to changes in the volume of water in the ocean? Why or why not?
What will be an ideal response?
No, changes in relative sea level are also due to uplift or subsidence of the land. There would also be a change in sea level if there is a long-term change in average age of seafloor crust, because sea level is higher when the average age is young compared to when the average age is older (Section 13.4).
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One of the lasting effects of the Vietnam War is
A. a sense of bonding and friendship between soldiers on both sides of the conflict. B. the residual pollution in the Mekong River. C. the epidemic spread of venereal diseases. D. the barren hill slopes chemically defoliated by American forces.
AIDS has been spreading fastest in the rich countries of the world
Indicate whether the statement is true or false.
The highest daily temperatures and lowest nightly temperatures are normally recorded about:
a. 11:00 a.m. and 3:00 a.m. b. 3:00 p.m. and 6:00 a.m. c. 12:00 noon and 2:00 a.m. d. 10:00 a.m. and 1:00 a.m.
Oman controls the tip of land next to the __________.
a. Red Sea b. Gulf of Aden c. Bab-el-Mandeb Strait d. Strait of Hormuz e. Suez Canal