How can salt injury to plants be reduced?
What will be an ideal response?
By reducing the amount of salt spread for ice and adding sand to the salt mixtures.
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When working in a confined space where concentrations of harmful substances are very high, why should atmosphere-supplying respirators be worn?
A) To circulate odorless, tasteless, invisible refrigerants B) To enable asphyxiation to occur in a very short time C) To supply clean breathing air from a compressed air source D) To purify air of harmful dust, mist, metal, fumes, and vapors
A four-bit binary down-counter counts from
A) 0 to 4. B) 15 to 0. C) 4 to 0. D) 0 to 15.
In the Linux Bash shell, the ____ key combination moves the cursor to the beginning of the command line.
A. Ctrl+b B. Alt+d C. Alt+l D. Ctrl+a
How could trickle irrigation be used to water an herbaceous groundcover area?
What will be an ideal response?