Why do variegated plants generally require more light than non-variegated ones?
What will be an ideal response?
Because their leaves have less photosynthetic area than fully green plants
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A compressor that has the motor and compressor in one housing that is welded together is called a(n) ____________________ type.
Fill in the blank(s) with the appropriate word(s).
When working in a confined space where concentrations of harmful substances are very high, why should atmosphere-supplying respirators be worn?
A) To purify air of harmful dust, mist, metal, fumes, and vapors B) To supply clean breathing air from a compressed air source C) To enable asphyxiation to occur in a very short time D) To circulate odorless, tasteless, invisible refrigerants
What posted information contains important safety information about hazardous materials?
A) NATEF B) MSDS C) SAE D) HEPA
Solve the proportion for the unknown value (x): 8:64 = 16:x.
Fill in the blank(s) with the appropriate word(s).