What are the steps that should be followed when repotting a plant?
What will be an ideal response?
When repotting a plant, the first step is to remove the plant from its grow pot. Discard any loose
medium that is not held in place by the plant’s roots. Then, very lightly tease away soil clinging to the
root ball and discard it. Wash and dry the pot, then add a few inches of fresh media to the bottom of
the pot so that the root ball is staged at its previous height. Add fresh media to the sides of the root
ball, gently tamping it down, then a bit on top. The plant’s roots will respond to this soil refreshment
with new root growth, replacing roots that have naturally died over time.
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Determine side m in the accompanying figure to two decimal places. All dimensions are in inches.
What will be an ideal response?
Average demand on a rural roadway ranges from zero to 500 veh/day when the cost per trip goes from $1.50 to zero. (a) Calculate the net user benefits per year if the cost decreases from $1.00 to $0.75/trip (assume a linear demand function). (b) Compare the value calculated in (a) with the benefits as calculated in typical highway studies.
What will be an ideal response?
When other workers are working near a welding operation, the standard practice is to _____
a. weld at a lower temperature to reduce risk b. stop work until everyone leaves c. make sure there are plenty of fire extinguishers available d. screen the work area with welding shields
A 240/24 volt - 40 VA transformer will supply up to ____ amperes from the secondary without a voltage reduction.
A. 1.257 B. 1.50 C. 1.666 D. 1.841