Living organisms affect soil formation primarily by their constraining the level of oxygen in the soil
Indicate whether the statement is true or false
FALSE
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The most commonly used device for checking footing trench depth is the _____.
a. folding rule b. builder's level c. telescoping rod d. laser level
J. J. is building a tool shed 32 feet wide and 64 feet long with a footer 18 inches wide and 9 inches deep. How many yards (yards means cubic yards) of concrete should be ordered?
What will be an ideal response?
A piece of onboard equipment has a first cost of $600,000, an annual cost of $92,000, and a salvage value that decreases to zero by $150,000 each year of the equipment’s maximum useful life of 5 years. Assume the company’s MARR is 10% per year. (a) Determine the ESL by hand. (b) Use a spreadsheet with a graph indicating the capital recovery, AOC, and total AW per year to determine the ESL.
What will be an ideal response?
The strength of the magnetic field of a permanent magnet can be changed easily
Indicate whether the statement is true or false