How do plants help prevent the erosion of soil?
What will be an ideal response?
Plants help prevent the erosion of soil because their roots penetrate the soil and through their fibrous structure hold the soil in place.
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A defective (collapsed) engine mount on a front-wheel drive vehicle can cause a vibration.
A) True B) False
Using RPM=4CS/D, how fast should a 1/2 in. drill turn when drilling mild steel in a drill press if CS is 90 SFPM?
A) 720 RPM B) 360 RPM C) 180 RPM D) 90 RPM
Insulated sheathing on the exterior of the wall structure helps reduce thermal bridging at the framing members-a particularly effective strategy in ____ climates where it can reduce or eliminate condensation within the wall structure while serving as an effective air barrier.
A. cold B. hot C. wet D. dry
Flash gas in the liquid line can be identified by:
A) A significant temperature increase in the liquid line temperature. B) The bright flashes of light that accompany the flash gas. C) A significant temperature drop in the liquid line temperature. D) The popping sound the refrigerant makes every time a new flash explodes.