Answer: d. all of the above
Explanation:
The Forbes 400 is a an annual list published by Forbes magazine that shows the richest 400 people in the United States.
The Wealthy 100 is a book published in 1996 that showed the richest Americans of all time.
The Rich and the Super-Rich is a book by Ferdinand Lundberg that was published in 1968 and documented 500 wealthy American families who were said to run the economy.
All the above have therefore studied and documented the wealthy.
They were often seen as an <em>obstacle.</em>
I'd have to go with A. The rhino picture. The image is composed of what looks like notches or "gouges" used by a sharp tool, which removes certain areas by gouging them out with the tool and then leaving the actual print on the top of the surface. Often, a sort of paint roller would be passed over the surface image. The gouged out portions would not be pressed by the roller. Very cool and were used in many printing presses when they used templates.
When were pencils first used? - Pencils were first used in 1795.
They were invented by a scientist named Jacques Conte, who had been serving in the army of Napoleon Bonaparte.
What is graphite? - Graphite is one of crystalline's that are formed from carbon.
The second one is diamond.
What is an HB pencil? - An HB pencil is a standard pencil, equivalent to a #2 pencil.
HB is an option on the HB scale.The HB scale represents how hard (H) or soft (B) a pencil is. The HB is the option in the middle, with other softer (to the left) and darker (to the right) shades surrounding it. The farther to the left on the scale, the lighter the pencil will be, vice versa. Most manufactures outside of the U.S. use this scale.
What happens when the H# is increased? - When the H is increased, the pencil will be harder.
The more H, the harder and blacker the pencil will be. You could google a picture of an HB scale to see an example.
Hope this is what you needed!
