HNO3 Has a 3 next to the O. this means that there are 3 oxygen atoms.
Explanation:
The mean angle is all the angles added up together then divided by how many angles they were. For example:
I have four angles 44°, 37°, 29° and 67°, what I would do is add them all up together, i.e, 44+37+29+67, which equals to 180. Then I would divide 180 by how many angles they were, so I would do 180÷4 which equals to 45. So the mean angle would be 45°, that's how you find the mean, hope that helps.
There are many ways in which you can help conserve nonrenewable resources. You <span><span>could conserve nonrenewable resources by not using them.
Hope it Helps
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Because they are consumed by other animals to obtain their energy
