A wooden floor system that is gaining in popularity is the plywood system. List two advantages that account for this popularity.
What will be an ideal response?
Two advantages of plywood floor systems are:
1) Because joists are not required, material costs are decreased.
2) Because the large 4' x 8' plywood panels are quickly and easily installed, labor costs are also decreased.
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Ridge-till systems show promise in the management of somewhat poorly drained soils of the Midwest
Indicate whether the statement is true or false
Pneumatic tools use ________________ to power the tool.
A. electricity B. gas C. compressed air D. chemicals
A DC-DC converter changes a DC voltage to a higher or lower AC voltage
Indicate whether the statement is true or false
You have been assigned to conduct a site assessment for a lake in Montana. There is a new biofuels plant operating and discharging into the stream that feeds the lake and agriculture around the lake for cattle and switchgrass. You observed high levels of algae floating on the surface of the lake, and the water was highly turbid. You also measured the DO at 1 meter to be 5 mg/L and at a depth of 20 meters the DO was 1.0 mg/L.
a. How would you describe the productivity level of the lake? Explain your reasoning. b. Similar lakes have had threatened Yellowstone Cutthroat Trout populations. But this lake does not. What changes would you suggest be made in managing the lake’s water quality prior to the reintroduction of trout to the lake? What will be an ideal response?