Which type of aquarium is cheapest to purchase?
A) Plexiglas
B) all-glass
C) acrylic
D) soft plastic
B
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You survey two different forests—a natural forest that has oak, hickory,
chestnut, beech, and elm trees and an area planted entirely with white pine trees. In which forest would you expect to find the greater animal diversity? Why?
What will be an ideal response??What happens if the standoff distance becomes too close?
A. ?The working life of the nozzle tip is reduced. B. ?The plasma stream becomes too cool to continue the cut due to the lower arc voltage. C. ?As long as the arc keeps going, the cut will be better and can be cut faster. D. ?On sheet metal the plate can be overheated and begin to distort from the heat.
What does an electrical connection diagram show?
What will be an ideal response?
To make effective use of biomass materials, what other energy source is it often mixed with for power generation?
A) Coal B) Biofuels C) Liquefied natural gas D) Wood