In the carbon cycle, atmospheric carbon dioxide is incorporated into carbohydrates in plant tissues through photosynthesis

Indicate whether the statement is true or false.


Answer: TRUE

Environmental & Atmospheric Sciences

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A pair of identical blocks are joined by a length of string on a friction-free table. When one block is pushed off the edge of the table, the taut string drags the other block horizontally across the table surface with an acceleration of

A. between zero and g. B. zero. C. g/2. D. greater than g. E. g.

Environmental & Atmospheric Sciences

Suppose a high concentration of oxygen 16 was found in the ice caves of Antarctica and Greenland. Which of the following conditions likely occurred at the time the ice was formed?

A. cold air temperatures B. intense ultraviolet radiation C. the caves were under the ocean D. mild winters

Environmental & Atmospheric Sciences

Approximately how many plant and animal species have been identified?

A) 100,000 B) 1.75 million C) 3.4 million D) 13.6 million E) 111.7 million

Environmental & Atmospheric Sciences

What type of metamorphism would occur in this setting? 

A. regional metamorphism B. contact metamorphism C. normal faulting D. subduction

Environmental & Atmospheric Sciences