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2013-05-16 Environmental Science - Earth:

The Earth is not in balance, nor is it out of balance.     It’s only the very thin outer shell, that comprises the biosphere that is being destabilized.  Unfortunately that’s where we live.    The only

2013-05-14 Environmental Science - Bridge Structure Load / Stress Testing Tools.:

That's how design is made. We input the properties of the materials and the locations and balance that against the projected loads. But that's done during the design phase, not after construction. This

2013-05-13 Environmental Science - Bridge Structure Load / Stress Testing Tools.:

There are a number of tools which can indirectly measure stress.  I don't know of any which can directly measure the stress, although things like strain gauges cna measure stress directly, they must be

2013-05-04 Environmental Science - stored water:

Naushad    I am not sure there is an expiry on water.  I would be concerned about anything coming from the fiber(glass?) the tank is constructed of.  If the tank is outside, it is going to be affected

2013-05-04 Environmental Science - environment:

If you chlorinate the water before you drink it you will be fine. I would also recommend that you consider filtering it. Chlorine levels should be about 0.5 mg/l(ppm), and a commercial test kit used for

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