What is the main difference in operation between the current NEXRAD Doppler radar and the dual-polarization radars of the future?
What will be an ideal response?
Answer: Current NEXRAD radars only send out a horizontal energy pulse; the dual-pol unit transmits both a horizontal and a vertical energy pulse.
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Research has indicated that long-term exposure to some chemicals at low doses may disrupt the body's immune, nervous, and endocrine systems.
Answer the following statement true (T) or false (F)
Referring to Earth and its subsystems as dynamic means that they are ____
a. indestructible b. always unpredictable c. holistic d. continuously changing e. mobile
What erosional feature is visible in this image? (Hint: It is bedrock.)
A) Arête B) Moraine C) Drumlin D) Roche moutonnée
A small-scale map:
a. shows small areas of Earth's surface. b. includes greater detail. c. has a small denominator in its representative fraction. d. all of these e. none of these