|
This is a free sample preview of the essay
Copper
Beginning of essay
Period 3 Grade 8
is a mineral. it is not a plant or a animal.
is a metallic metal. It can never be broken down into differnet substances by
normal chemical means. Copper was one of the first metals known to humans.
People liked it because in it’s native condition, it could easily be beaten
into ....
Middle of essay
....armful gases. One of these ways was the use of
canaries. Miners would let them fly into a part of the mine where a poison gas
was suspected. If there was a harmful gas, the bird would fall over dead at the
first scent of the gas. Today, we have better ways to detect gases without
having animals die. We now have detection machines in all parts of mines. Mines
also have top of the line fire alarms and water systems. If a flammable gas
ignites, like sulfur, the fire may not die for years, which res.... |
| Number of words: 664 |
Approximate pages: 3 |
|
Need help with writing your essay? Sign up today to view the rest of this paper and get unlimited access to over 45000 other essays just
like it. Some other sites charge you for each essay, but here at EssayPal we give you full access to our entire database for one low subscription
fee. Thousands of other students around the world have realized what an affordable deal this is and have become members. Come see what
you are missing out on. Once you've become a member, you will not go back to the other term paper sites either.
| Length |
Type |
Price |
PayPal |
| 30 days |
recurring |
$19.95 |
| 90 days |
recurring |
$39.95 |
| 180 days |
non-recurring |
$69.95 |
|
|
|
