is concrete made from oysters?

Answer 1

In a sense, yes.

The primary ingredient in concrete is calcium carbonate, which comes from limestone rock.

Limestone is a sedimentary rock composed of animal shells, such as oyster shells, and chemical precipitates with a large component of CaCO3 in them. Limestones usually form in deep ocean waters.

They don't take actual oyster shells to make concrete. There's a step (formation of limestone) which involves nature and thousands of years between the oyster shell and the concrete.

Answer 2

No

http://en.wikipedia.org/wiki/Concrete

Answer 3

24 years and he never wondered where the stuff came from. Sure it's got oysters in it. CaCO3 is huge in concrete and made almost exclusively by shelled marine organisms.

I guess if there was a picture of oysters on the bag some rights group would try and ban concrete though. Maybe?? Work with me here..

Answer 4

No, if it was then it would be a mineral or a rock, since it occurred naturally. Concrete is a man-made product. Oysters make oyster beds, a type of limestone.

Answer 5

Sorry to hear about you difficult time. To me they sound like jerks. Friends don't hit friends, if you told a lie so what you don't deserve to be slapped across the face. Nobody has the right to touch you, without your permission. I would say find new friends, but I know how difficult that is. You do need to stand up for your self though, I'm sorry to say it but bullies never stop, until YOU make them stop. I had the same problem all the way through high school. One day I got so sick of it so I hit the bully back. If you're being tormented by a group it might be a little harder. Sorry if I havn't helped

Answer 6

Not conventionally, but I guess it could be used as an aggregate for fine concrete.

Answer 7

nop...it's made from sand and rocks.

Answer 8

No