A population of plants has individuals with purple flowers and individuals with white flowers. Due to a change in the insects that pollinate the
plants, having purple flowers becomes a big survival advantage.
What will happen over next few generations?

how important do you think an instrument is to the musician who plays it?

c. 4.54 x 10–12 j happens to be correct

it was spontaneous.

"ain't i a woman? " is the name given to a speech, delivered extemporaneously, by sojourner truth, (1797–1883), born into slavery in new york state.sojourner truth' delivered her famous speech "ain't i a woman? " (which did not have a title at that moment) was given without any previous preparation. her dissertation took place at the women's convention in akron, ohio, in 1851.