When returned to the soil after harvest, plant parts such as corn stalks and grape and apple leaves provide ________ material but very little N, P, K for subsequent crops.
A. nutrient-rich
B. inorganic
C. soluble
D. organic
Answer: D
You might also like to view...
____ structures are a style of architecture originating in the 1920s that featured geometric, streamlined shapes and the use of materials such as aluminum, stainless steel, lacquer, and inlaid wood.
A. Neoclassical B. Modern C. Arts and Crafts D. Art Deco
The type of construction that can be achieved with wood light-frame members is
A) Type V(A) or Type V(B). B) Type I(A) or Type 1(B). C) Type III(A), III(B), V(A), or V(B). D) Type III(A) or Type III(B). E) Type II(A) or Type II(B).
Carbon monoxide is formed:
A) When the flames are burning at a temperature exceeding the manufacturer's recommended maximum combustion temperature. B) When the combustion air is at a high relative humidity. C) Anytime gas is burned. D) When the gas is not burning completely.
Which statement best describes the action of an OTA amplitude modulator?
A) Variations of light intensity adjust the gain of the amplifier. B) The power supply bias adjusts the output level. C) The variations of voltages applied to the current bias input adjusts the gain of the amplifier. D) The OTA is versatile and can be configured to work in any of these ways.