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The discovery of mid-ocean ridges and the process of seafloor spreading in the 1960s caused scientists to rethink Wegener's theory of continental drift. This new evidence provided a mechanism for how continents could move apart and lent support to the concept of plate tectonics as the driving force behind the movement of Earth's lithospheric plates.

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What are the 6rs of sustainability?

The 6Rs of sustainability are: Reduce, Reuse, Recycle, Rethink, Refuse, and Repair. These principles focus on minimizing waste, conserving resources, and promoting a circular economy to reduce environmental impact.


Why can you not breath oxygen?

If there is a problem with us breathing oxygen, we all have a very big problem. The Earth's atmosphere is composed of 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. It is common practice in trauma treatment to supplement additional oxygen to the patient. Finally, it is a common practice in casinos to pump in more oxygen. Perhaps you want to look at your data and rethink your question.


What is the role of chipko andolan?

It helped in conservation and preservation of forest, one of the most important natural resources.It encouraged the participation of the local people in the efficient management of forests.It forced government to rethink the priorities of the local people (to whom the forests belong) in the use of forest produce.


Is snow a bad word?

No, "snow" is not a bad word. It is a common noun that refers to the precipitation of ice crystals, which falls as a soft, white layer on the ground during cold weather. The word itself does not carry any negative connotations or offensive meanings.


How do you neutralize the odors when using chemicals to remove silver from photographic materials?

If you are removing silver and noticing odours you have to rethink your process.Odours arise from you being exposed to chemical vapours. In an industrial or hobbyist setting this is bad.You may have to install a fume hood to suck the gases away. But (always a but) you have to make sure the exhaust froom the unit doesn't impinge on anyone else. Local laws may give direction on this. Do not suck fumes into your furnace cold air return - everyone on the hot air distribution can be impacted.For a small experimental station a contained fume hood with an activated carbon or chemical filter may be useful.Check with local platers or silver recovery firms as to the potential problems and solutions. Local environmental agencies (EPA or equivalent in your jurisdiction) can also give guidance.Aside: Getting loaded up on nitric acid fumes or silver is not good for your health. The nitric acid fumes can cause severe lung damage, the silver can turn you a nice shade of grey and impair your health.