Which of the following best describes the role of biological activity in soils development?
A) Broadleaf trees tend to increase the alkalinity of soil, whereas needleleaf trees increase the acidity.
B) Earthworms increase soil porosity and contribute to soil movement and organic content.
C) Plant roots provide channels for air and water movement in soils.
D) All organisms living in, on, and over the soil, influence soil development and characteristics: they can influence the pH, the organic matter, chemical content, and biological content of soils.
D
You might also like to view...
Which of the following situations is likely if the setting sun appears red?
A. You will not be able to see the moon that night. B. The sun's surface temperature has cooled somewhat at the end of the day. C. Only the longest waves of visible light are striking your eye. D. The next day's weather will be stormy.
What is the contour interval of the topo map?
What will be an ideal response?
Which of the following best matches the description? Planting of trees to prevent wind erosion.
A. asthenosphere B. humus C. leaching D. loam E. lithosphere F. parent material G. soil structure H. friable I. soil profile J. mechanical weathering K. windbreak L. horizon M. terrace N. soil texture O. weathering P. chemical weathering Q. contour farming
What is the baseline (Total) population for New York City based on the
NYC Census Data layer? What will be an ideal response?