Stripping a stem, coating the wound in a rooting hormone and wrapping it in damp media is a propagation method called _____
a. tissue culture c. air layering
b. cuttings d. separating
C
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Much of the investment funds that enabled America to industrialize in the late 19th century came from
A. surplus wealth generated by agriculture. B. the state governments. C. private foreign investors. D. individual Americans' savings. E. the sale of confiscated Confederate land and property.
Determine the measure of ?2.
Fill in the blank(s) with the appropriate word(s).
What is the normal frequency of AC power in the United States?
A) 90 cycles per second B) 60 cycles per second C) 25 cycles per second D) 50 cycles per second
When interfacing an external EPROM like the 2732, what type of device is required to demultiplex the address/data bus?
A) S-R flip-flop B) Master/Slave J-K flip-flop C) J-K flip-flop D) Octal D-Latch