The surfaces of clay particles in soil ____

a. often bear positively charged ions
b. release water to plants easily
c. often bear negatively charged ions
d. are generally hydrophobic
e. acidify the soil


ANSWER: c

Biology & Microbiology

You might also like to view...

Give an example of an acute and a chronic carrier of disease. What disease characteristics allow for chronic carriers to play significant roles in the spread of the disease? How are diseases with chronic carriers controlled?

What will be an ideal response?

Biology & Microbiology

The neuronal pathways behind gustatory reception most closely parallel those of

A. olfaction. B. vision. C. limb position. D. light touch. E. pain.

Biology & Microbiology

The ampullae of Lorenzini are specialized organs for detecting ____ that are found in sharks

a. smells b. vibrations of the water c. tastes d. electrical output e. water pressure

Biology & Microbiology

A plasma cell is a cell that has differentiated from a:

A) mast cell. B) T cell. C) B cell. D) dendritic cell.

Biology & Microbiology