When the Sun crosses the celestial equator, and day and night are of equal length around the globe, it is the time of the ________
Fill in the blank(s) with correct word
equinox (could also answer spring, fall, or both)
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Which factors pertaining to rock type affect wave velocity through the material?
A) degree of metamorphism and water content B) pressure and density C) mineral abundance and pore space D) temperature and water content
Which of the following is true of the equatorial positions in cyclohexane?
A) Each carbon atom of the ring has two groups bonded to it in equatorial positions. B) Each carbon atom of the ring has one group bonded to it in an equatorial position. C) The equatorial positions are all on the same side of the ring. D) The axial and equatorial positions on each carbon atom are on the same side of the ring.
O2 can be produced by the reaction 2 KClO3(s) ? 2 KCl(s) + 3 O2(g). In one experiment 0.312 g of O2 were formed. How much KClO3 was decomposed?
A) 0.484 g B) 0.797 g C) 1.19 g D) 1.79 g
Which of the following linkages is found in sphingolipids?
A) sphingosine-choline-phosphate B) sphingosine-phosphate-choline C) phosphate-sphingosine-choline D) none of the above