What are the seven major roles of media?

What will be an ideal response?


• Provide the plant with nutrients
• Anchor the plant
• Provide good aeration and drainage
• Provide good nutrient- and water-holding capacity
• Free of natural toxins, diseases, insects, and weeds
• Reproducible and available
• Not easily decomposed and can be wet easily

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Find angle x in the accompanying figure. Give your answer to the nearest minute.

A. 40o32' B. 41o32' C. 42o21' D. 44o21'

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Fear of which other political movement encouraged the formation of Christian socialist parties across much of Europe?

a. municipal socialism b. anarchism c. conservatism d. communism

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The simplest form of models commonly used to describe a wide range of engineering situations is

a. linear equations. b. nonlinear equations. c. exponential equations. d. logarithmic equations.

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Answer the following statement(s) true (T) or false (F)


1. In the accompanying figure, the AND gate #3 can have a high output unless AND gate #2 provides a high for its A input.

2. In the accompanying figure, the AND gate #2 cannot have a high output unless AND gate #1 provides a high to its A input.

3. The 7400N in the accompanying figure is a four binary-input NAND gate.

4. In the accompanying figure, one of the NAND gates in the 7400 IC has its inputs connected to pins #1 and #2 and its output is connected to pin #3.
5. Connection in a circuit becomes much simpler if the schematic is first labeled with the proper IC pin numbers.

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