Which process of the carbon cycle is one that is affected solely by humans?

A. forest fires
B. burning of fossil fuels
C. photosynthesis
D. precipitation
E. aerobic respiration


Answer: B

Environmental & Atmospheric Sciences

You might also like to view...

Folded U-shaped structures with the youngest layer in the center are called __________

a) basins b) domes c) monoclines d) anticlines e) synclines

Environmental & Atmospheric Sciences

A sludge digester as part of an urban wastewater treatment facility produces a useful fuel called

A) carbon dioxide. B) ammonia. C) biogas. D) oxygen.

Environmental & Atmospheric Sciences

Which of the following best describes the principle of faunal succession?

A) Rock layers will extend equally in all directions until they pinch out or reach the edge of a basin. B) Fossil organisms succeed one another in a specific and identifiable order. C) Only the most successful organisms will survive climatic extremes. D) Faults are younger than the materials they cut across.

Environmental & Atmospheric Sciences

The short-wavelength UVC is the most hazardous UV, but is largely absorbed by atmospheric oxygen before it reaches earth's surface.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences