What is the required depth for mulch if it is to be effective in weed control and moisture retention?

a. 1 to 3 inches c. 7 to 8 inches
b. 5 to 6 inches d. 3 to 4 inches


D
3 to 4 inches

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Whereas AWS basic symbols are identified as weld symbols, ISO identifies its comparable elementary symbols as ____ symbols.

A. joining B. combining C. standard D. welding

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Cuttings should be prepared in very thin diameter in order to survive storage

Indicate whether the statement is true or false

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Housing for a group of rabbits is called a hutch

Indicate whether the statement is true or false

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The amount of energy provided by a standard weight of each fuel is called the ____ density.

A. energy B. gas C. fuel D. joule

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