Sources of natural variable pollutants and materials include all of the following except
A) volcanoes.
B) forest fires.
C) plants and decaying plants.
D) industrial activity.
D
Environmental & Atmospheric Sciences
You might also like to view...
Water at 4°C will expand when it is slightly
A. cooled. B. warmed. C. both of these D. none of the above
Environmental & Atmospheric Sciences
Uncut forests or regenerated forests that have not been significantly impacted by humans or natural disasters for several hundred years or more are known as ____________________
Fill in the blanks with correct word
Environmental & Atmospheric Sciences
The first fish evolved about 50 million years ago. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Natural revegetation of dunes using cuttings from nearby dunes is a quick and effective solution to dune erosion
a. True b. False
Environmental & Atmospheric Sciences