Growing the same crop on the same field year after year A)
enriches the soil content.
B)
promotes a higher plant yield.
C)
raises the risk of increasing the number of pests in that area.
D)
guarantees that the plants will intake all the fertilizers applied.

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.