Biotechnology may help to reduce the use of the hazardous chemical ________ in ore processing
Fill in the blank(s) with correct word
cyanide
Environmental & Atmospheric Sciences
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Which nitrogen compound is directly formed when naturally occurring nitrogen gas (N2) in the atmosphere is combusted in an automobile with an internal combustion (IE) engine?
A. NO B. NO2 C. HNO3 D. N5O
Environmental & Atmospheric Sciences
Phytoplankton productivity has dropped by 9% in the last 20 years
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
When air sinks, it is compressed and warmed
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
How old is the Universe?
A. 11-29 million years B. 11-20 billion years C. 11-20 thousand years
Environmental & Atmospheric Sciences