With the exception of the deep sea hydrothermal vent communities, all energy flow in both aquatic and terrestrial ecosystems begins with green plants and algae
Indicate whether the statement is true or false.
T
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Estimates are made to determine the probable costs of a proposed construction project and to _____.
a. schedule equipment maintenance b. determine a budget for the owner c. predict the accuracy of a target deadline d. finalize system requirements
The election of 1844 was notable because
A. the campaign raised no real issues. B. a genuine and clear mandate emerged. C. it was fought over the issue of expansionism. D. James K. Polk won the electoral vote but lost the popular vote. E. Henry Clay won the popular vote but lost the electoral vote.
When servicing a cylinder head, which of these operations should be performed first?
A) Installing replacement guides B) Resurfacing the head C) Grinding the seats D) Grinding the valves
Which type of bias does not provide a stable Q-point from one JFET to another?
A) gate bias B) source-bias C) self-bias D) voltage-divider bias