How would you describe a common leaf, such as a maple, by its shape,
arrangement and margin?
What will be an ideal response?
Responses will vary, but students should be aware that leaves have different shapes,
such as flat, needlelike, or cylindrical; different arrangements on the stem, such as
alternate, opposite, or whorled; and margins, or edges of the leaves, that help distinguish them.
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Shielded metal arc welding electrodes, sometimes referred to as welding rods, arc welding rods, stick electrodes, or simply electrodes, have four parts.
Answer the following statement true (T) or false (F)
After windows, doors, and skylights are installed, the space between the frame and the structure must be sealed against air infiltration. This is typically accomplished with ____ insulation designed specifically for this purpose.
A. low-expansion spray foam B. flexible plastic C. rubber D. PVC
Describe how doors and windows are keyed to schedules on a drawing.
What will be an ideal response?
Which voltage do line voltage thermostats usually control?
A. 24 B. 115 C. 220 D. all of the above E. both b and c