List and describe the three types of forest fires
What will be an ideal response?
? Ground fires—generally smoulder below the surface of thick humus or bog.
? Surface fires—involve shrubs, forest floor litter, small trees, and other undergrowth.
? Crown fires—burn the entire tree, including the branches and leaves.
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To prevent the sequencer from controlling certain bits of an output word, a(n) ____________________ word is used.
Fill in the blank(s) with the appropriate word(s).
It is estimated that agriculture is responsible for ____ of total water use in the United States
a. Nearly 30% c. Less than 60% b. Approximately 50% d. More than 80%
For the circuit in Fig. 4.137, what resistor connected across terminals a-b will absorb maximum power from the circuit? What is that power?
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If an OBD II PCM has set a catalyst efficiency code, all of the following pre-checks should be performed before condemning the converter EXCEPT for:
A. checking the exhaust system for any leaks B. using a scan tool to check for O2 sensor codes C. visually checking the O2 sensors for cracked housings D. verifying that the engine does not have excessive cycling