Answer:
When used as nouns, shade is an uncountable noun that refers to an area of relative darkness blocked off from the light. Shadow, on the other hand, is a countable noun that refers to the silhouette or dark image formed by an object blocking the light. It is what causes the darkness.
Explanation:
Answer:
Lo siento, cual es la pregunta
Explanation:
Answer:
Biodiversity keeps the world interesting. There is a greater variety of genes and species in that ecosystem. Great variety of genes and species means the ecosystem is better able to carry out natural processes in the face of external stress. Thus, the ecosystem is more sustainable.
Explanation:
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!
