What are four different methods of pruning? Name a plant that is typically pruned
using each of the four methods.
What will be an ideal response?
Four different methods of pruning are thinning, used on fruit trees; heading back, used
on lilacs and maples; renewal pruning, used on flowering trees; and root pruning, used
on deciduous trees
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What are the two basic uses of water reservoirs, from a water management perspective?
What will be an ideal response?
The guinea pig is sometimes referred to as a ____________________
Fill in the blank(s) with correct word
_____ seem to call "kill-dee, kill-dee" constantly and bob their heads up and down while standing on the ground
a. American bittern b. Great egret c. Killdeer d. Cattle egret
An engineer is trying to decide which process to use to reduce sludge volume prior to disposal. Belt filter presses (BFP) will cost $203,000 to buy and $85,000 per year to operate. Belts will be replaced one time per year at a cost of $5500. Centrifuges (Cent) will cost $396,000 to buy and $119,000 per year to operate, but because the centrifuge will produce a thicker “cake”, the sludge hauling cost to the monofill will be $37,000 per year less than for the belt presses. The useful lives are 5 and 10 years for alternatives BFP and Cent, respectively, and the salvage values are assumed to be 10% of the first cost of each process whenever they are closed down or replaced. Use PW evaluation to select the more economical process at an interest rate of 6% per year over (a) the LCM of
lives, and (b) a study period of 8 years. Are the decisions the same? What will be an ideal response?