very low concentrations
We need to breathe oxygen to live.He kept telling me to breathe easy. I'd like to see him breathing easy while giving birth.The oxygen tanks allow us to breathe underwater for a while.
they get into our blood stream
It's nose or mouth just like us because it is a mammal as well. It has lungs just like us humans and it breathes just like us.
A plant is a living thing so there for it needs to breathe. When plants breathe they breathe the opposite of us in with carbon dioxide out with oxogyn
Mushrooms can hurt us because some are very poisonious such as the death cap mushroom.
Pollutes the air we breathe.
No it is not ok. And yes, it will harm you.
Remains the same
Yes, but the dating is only off a little (500 years or so).
the answer is breathe.
The main limitations of using Carbon14 dating to find the age of something that is carbon base are firstly the possibility that carbon may be absorbed by some things making it more difficult to get an absolutely accurate age and secondly, with Carbon14 only having a half life of 5,568 years the maximum theoretical limit for detection is 100,000 years.
Squirrels have lungs to breathe with, just like us.
Carbon is a non metallic element. Mass number of it is 12.
Carbon14 dating (isotopic dating)
3.125% would be left over.
we will die
CO2 - the opposite of us.