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)

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences