Answer:
4. Ultraviolet radiation breaks apart molecules made up of paired oxygen atoms. Individual oxygen atoms bond with paired oxygen molecules to form ozone
Explanation:
Ozone formation in the stratosphere -
The ozone is the stratosphere layer is former naturally by the chemical reaction , with the help of the ultraviolet radiation of the sun and the oxygen molecules .
In the very first step , The UV radiation breaks the oxygen molecule to give two very reactive oxygen atoms .
In the second step , the atoms of oxygen reacts with the oxygen molecules to produce the ozone molecule (O₃) .
And Ozone gas is produced .
Answer:
Disadvantages of Exports
Fluctuation in foreign exchange rate. ...
Economic conditions in importing country. ...
Political conditions in importing country. ...
Change in regulation in importing country. ...
Rivalry between nations. ...
Socio barriers. ...
Higher working capital requirement. ...
Credit risk.
The correct answer C. Pectinoid is the most occurring fossil that is a bivalve. They are a superfamily of marine bivalve mollusks which includes scallops and oysters. Members of this family have a triangular resilium.
Answer:
Title, a Legend, a Grid, a Compass Rose to indicate direction, Citation, Data Frame, a North Arrow, and a Scale.