Lidar is based on actively sending ________ from a device in order to precisely measure the Earth's surface
A) radar
B) ultrasound
C) infrared energy
D) ultraviolet energy
E) light
Answer: E
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The transitional stage in Frank Notestein's demographic model is initiated by ________
A) resource depletion B) industrialization C) government intervention D) epidemics E) the increased use of contraceptives
Organic farming ________
A) is presently limited to crops of fruits and vegetables B) began in the 1960s C) has no national standards in the United States D) and organically grown produce have not been supported by the European Union E) has become more challenging because of contamination by GM crop varieties
Hydrologic Cycle
What will be an ideal response?
To find the largest area of the ocean with the oldest ocean crust, you should go to the ________
A) eastern Pacific B) northern Atlantic C) southern Ocean near Australia D) western Pacific