PLEASE HELP ME :((What is the main idea of this paragraph?

Although the old division of chemistry into inorganic and organic is still kept up as a
matter of convenience, the old boundaries between the two have been eliminated.
The distinction arose from the fact that there used to be (and are still to a very great
extent) a number of highly complex substances the composition of which is known,
for they can be analyzed, or taken to pieces, but which the wit of man has failed to put
together. Consequently, these substances could only be obtained from organic
bodles. The living trees, or animals, could in some mysterious way bring these
combinations about but man could not. The molecules of these substances are much
more complicated than those with which the inorganic chemist deals. The important
Ingredient in them all is carbon. In addition, hydrogen, nitrogen and oxygen almost
completes the list of the simple elements of which these marvelous substances are
compounded. In some cases, there appear to be hundreds of atoms in the molecule.

Can someone me with this english question

How many lynching took place in the south between 1877 and 1950

"the children's hour" by henry wadsworth longfellow between the dark and the daylight, when the night is beginning to lower, comes a pause in the day's occupations, that is known as the children's hour. i hear in the chamber above me the patter of little feet, the sound of a door that is opened, and voices soft and sweet. from my study i see in the lamplight, descending the broad hall stair, grave alice, and laughing allegra, and edith with golden hair. a whisper, and then a silence: yet i know by their merry eyes they are plotting and planning together to take me by surprise. a sudden rush from the stairway, a sudden raid from the hall! by three doors left unguarded they enter my castle wall! they climb up into my turret o'er the arms and back of my chair; if i try to escape, they surround me; they seem to be everywhere. they almost devour me with kisses, their arms about me entwine, till i think of the bishop of bingen in his mouse-tower on the rhine! do you think, o blue-eyed banditti, because you have scaled the wall, such an old mustache as i am is not a match for you all! i have you fast in my fortress, and will not let you depart, but put you down into the dungeon in the round-tower of my heart. and there will i keep you forever, yes, forever and a day, till the walls shall crumble to ruin, and moulder in dust away! which literary device does longfellow use most frequently in the poem? a. simile b. metaphor c. repetition d. personification