The Large and Small Magellanic Clouds fall into class
A) SBc.
B) Pec.
C) E6.
D) Irr I.
E) E3.
D
Physics & Space Science
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At a _________wall the unpaired electron spins orientation changes from one orientation to another.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
The figure below shows a container filled with water to the height shown. When we compare the pressure at A to the pressure at B, we find that
A.
.B.
.C.
pA = pB.
D.
pA = 2pB.
E.
pA = 4pB.
Physics & Space Science
Planck's constant
A) sets an upper limit to the amount of energy that can be absorbed or emitted. B) sets a lower limit to the amount of energy that can be absorbed or emitted. C) relates mass to energy. D) determines the value of the gravitational constant.
Physics & Space Science
Define an exothermic reaction. Give an example
Physics & Space Science