Why is carbon essential to plants?
What will be an ideal response?
It is a component of every organic compound in the plant.
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Sketch the hydrologic cycle
What will be an ideal response?
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What are the differences between a frog and a toad?
What will be an ideal response?
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For a standard off-cycle defrost in a 38° to 40° refrigerator the air-sensing thermostat has a differential of ____.
a. 2° b. 5° c. 10° d. 20°
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Three 440-volt generators, form a delta connected source which is connected to a balanced delta connected load of Z? = (8.66 + j5) ? per phase as shown in Fig. 12.52. Determine the value of I?? and Ia?. What is the pf of the load?
 figure 1.png)
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