Gypsum can change soil pH, and it is most effective in improving soil structure in sodic soils (high in sodium) because it replaces and removes sodium from the soil
Indicate whether the statement is true or false
False
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Why are insects so difficult to control?
A) They undergo so many stages. B) They are so small. C) There are so many of them. D) They eat so much.
Technician A says that horn frequency can range from 1,800 to 3,550 Hz. Technician B says that most horn circuits use a relay and the current through the relay coil is controlled by the horn switch. Who is right?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Depending on governing regulations, a maximum spacing of 6 feet and 12 inches from each corner of foundation walls may be acceptable.
Answer the following statement true (T) or false (F)
The scale 6" = 12" is called ____ scale.
A. one-eighth B. one-quarter C. half D. double-size