A primary rainbow is brighter than a secondary rainbow because
A) sunlight reaching it is more intense.
B) there is one less reflection inside the water drops.
C) larger drops produce primary rainbows.
D) the secondary bow is a dim reflection of the primary rainbow.
E) none of the above
Question 2
Rainbows are not usually seen as complete circles because
A) the ground is usually in the way.
B) they are actually elliptical.
C) they have no bottom part.
D) raindrops are not perfectly round.
E) rainbows are arched shaped.
Plant apical meristems and the primary tissues they produce.
Morphology of Primary Lesions
The b sheet, another common secondary structure in proteins
Rayleigh Sunlight
A secondary waveform of a Ford 4.6 liter V-8, showing three sparks occurring at idle speed.
Graphs of Primary Trigonometric Ratios