At approximately what time would a first-quarter moon rise?
A) 6 A.M.
B) 9 A.M.
C) noon
D) 6 P.M.
E) midnight
C) noon
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Water-90% triethylene glycol is to be used to dry air. If the mixture is added to an air stream at 25ºC, determine the amount of mixture required per kilogram of dry air to dehumidify the air if the air stream is at 35ºC and 90% relative humidity. Assume that 25% excess mixture is required than theoretically predicted. Also determine the outlet air temperature and the relative humidity. Assume that the specific heat of triethylene glycol is 2.4 kJ/kg?K.
What will be an ideal response?
Briefly describe the order of creation of normal matter in the Big Bang
What will be an ideal response?
Intrusive igneous rock formations that cut more or less vertically across older formations are said to be ______________
Fill in the blank(s) with correct word
Complete the following sentences that describe evidence found in the K-T boundary layer. Drag words at the left to the correct blanks in the sentences at the right.
A. The presence of soot suggests that there were world-wide forest fires at the time this layer formed. B. The presence of solidfied rock "droplets" is thought to indicate that rock splashed upward by an impact was molten as it fell back down from the sky. C. The presence of shocked quartz suggests an impact because these mineral grains form only under high-pressure conditions. D. The unusually high abundance of iridium in this layer suggests that this material came from the impact of an asteroid (or comet). E. All of the above.