You are given the following information on a 1 arc-second (30-meter) DEM:UTM coordinates in meters at the lower-left corner: 560635, 4816399UTM coordinates in meters at the upper-right corner: 570595, 4830380How many rows does the DEM have? How many columns does the DEM have? And, what are the UTM coordinates at the center of the (row 1, column 1) cell?
What will be an ideal response?
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Derechos are
A) strong updrafts that can cause airplanes to crash. B) strong downdrafts often creating ominous looking shelf clouds. C) concentrated on the Gulf Coast, particularly Florida. D) normally display a "starburst" (radial) damage pattern from rotating winds.
The Earlybird communication satellite hovers over the same point on Earth's equator indefinitely. This is because
A) forces other than Earth's gravity act on it. B) it pulls as hard on Earth as Earth pulls on it. C) it is beyond the main pull of Earth gravity. D) it is kept aloft by ground control. E) its orbital period is 24 hours.
Volcanic island arcs are characteristic of which type of convergent plate boundaries?
a. continental-continental b. continental-oceanic c. oceanic-oceanic d. continental-oceanic AND oceanic-oceanic e. continental-continental; continental-oceanic AND oceanic-oceanic
Most systems have ____.
A. inputs of energy but not matter B. only positive feedbacks C. only negative feedbacks D. inputs, flows, and outputs E. outputs greater than the inputs