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Most metals tarnish. That is, they react with things they're exposed to such as air, water, perspiration and acids from people's skin, etc.
Some metals such as copper are notorious for reactivity and form an oxide "skin". That's why pennies quickly turn brown. In the presence of some reactants copper will form a blue-green compound, which is why the Statue of Liberty looks the way it does. When new, it was shiny like a coin.
What else can I help you with?
What does the surface of Ganymede look like?
Ganymede's surface is a mix of two main types of terrain: older, highly cratered regions, and younger, grooved areas. The older regions are covered in impact craters, while the younger areas consist of long, complex grooves believed to be formed by tectonic forces. Additionally, Ganymede has extensive icy plains that show evidence of past geological activity.
Which crater is younger Kepler or Mee?
Kepler. Just look at the rims!
Is it true or false that if you want a space to look father away you should color the space darker with a lot of detail?
False
Why do rain bearing clouds look black?
Why do white clouds look black ... I will answer with a question: Why do white kids try to look black? So to answer your question the answer must be: Because it's the popular thing to do!
How do you know if your 1971 one dollar coin is uncirculated?
To determine if your 1971 one dollar coin is uncirculated, look for signs of wear, such as scratches, nicks, or discoloration. Uncirculated coins will have a sharp, well-defined design with no wear marks. You can also compare it to images of uncirculated coins online or consult with a professional coin grading service for a more accurate assessment.
Do mom's usually cheat with older or younger men?
most of the times, younger men.. because of their sex drive.. younger men always look for an opportunity to have sex with an older women.. MILF ring a bell?
Is there any advice for getting a girl that's not your age?
well it depends if shes older or younger. older- dont look annoying younger- you should be able to get her just fine
Why some people look MUCH younger than they really are and some others look MUCH older than they really are?
some people look much younger than they really are because they get botox and plastic surgery to make themselves look much younger, and some people look much older than they actually are because they take drugs or they smoke, something like that.
Should you clean up old coins if you want to sell them?
No, cause then they look older
When you an older?
When you are older, you start to look at things in a different way. A person appreciates things more. Things do not bother you like they did when you were younger,.
Why does a younger boyfriend treat his older girlfriend like a child?
he might want to feel older so he makes you look smaller.
Do boys look for older or younger girls?
It varies from person to person. Some boys may be attracted to older girls, while others may prefer younger girls. Ultimately, age preferences can differ based on individual preferences and values.
What does it mean when younger girls like you more than older ones?
It could be you look or behave younger than you are. However it's not unusual in general for girls to like guys who are older, so if younger girls like you more than older ones that doesn't really have to mean anything.
How make people look old?
There is cream that can make people look way older than what they are or way younger than what they are.
What do you look for when buying rum?
If you are 20 or younger you should look for the door and wait until your older. If you are 21 or older you should get Malibu rum. My sister who is 22 says it is the best.
What do good manners look like in a introduction?
You introduce the younger to the older; the male to the female first.
Does hair get darker as you get older?
Yes, for some people, hair can appear darker as they get older due to a decrease in the production of melanin, the pigment that gives hair its color. This decrease in melanin can make hair look darker and more saturated. Additionally, natural graying of hair can create a contrast that makes the remaining dark hair appear darker.
