Air consists of approximately __% nitrogen, __% oxygen and __% other gases
Fill in the blank(s) with the appropriate word(s).
78, 21, 1
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What part of the leaf cell contains chlorophyll and carries out photosynthesis?
a. mesophyll c. petiole b. epidermis d. chloroplast
A vehicle has been diagnosed with a clogged catalytic converter. Technician A says that fuel and ignition systems should be inspected for faults. Technician B says that a fault in the radiator could have caused the converter to become clogged. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
Convert 8B3F16 to binary
A) 1011001111100011 B) 35647 C) 1000101100111111 D) 011010
One of two basic types of drawings cutting through an entire building or structure, ____ cut across the entire width of a building or structure and may be represented as scaled drawings or symbolic representations.
A. longitudinal sections B. cross sections C. lengthwise sections D. lateral sections