Which of the following are advantages of remote sensing systems?
a. They provide rapid, worldwide coverage of the environment.
b. They can easily acquire information on inaccessible locations.
c. They can be used to locate valuable natural resources.
d. All of these.
D
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Which plants have sperm that swim through the environment to reach the eggs?
A. mosses only B. mosses, ferns, and seed plants C. mosses and ferns D. seed plants only
Europe is a great peninsula, fringed by smaller peninsulas and islands and bordered on its seaward sides by the Arctic and Atlantic Oceans
Indicate whether the statement is true or false
Why is the west coast of North America 500 km west of where it was about 540 million years ago?
A) plate movement B) accretion of exotic terrains C) thrust and uplift of continental crust D) volcanic eruptions
Which American president increased protection of wilderness in the Sierra Nevada Mountains in the early 1900s?
A) Woodrow Wilson B) John Quincy Adams C) Theodore Roosevelt D) William McKinley E) Thomas Jefferson