When a Doppler radar has collected data, the returning signal is amplified and displayed on a screen, producing an image, also called a(n)____________________, from the target.?
Fill in the blank with correct word.
ANSWER: ?echo
Environmental & Atmospheric Sciences
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Geologists know more about Cenozoic Earth and life history than about any other era of geologic time
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
What evidence from volcanic rocks indicates that Earth was much hotter in the past?
What will be an ideal response?
Environmental & Atmospheric Sciences
Ore deposits of dense minerals concentrated by stream action are
A. placers. B. hydrothermal. C. metamorphic. D. evaporates.
Environmental & Atmospheric Sciences
The Russian taiga or boreal forest is the largest forest on earth, and acts as a major carbon dioxide sink that helps absorb anthropogenic greenhouse gases. The removal of the Russian taiga would contribute significantly to global warming
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences