The human activity most widely viewed as changing the planet is the burning of fossil fuels. ... to melt, threatening water supplies for hundreds of millions of people. ... and phosphorus to the biosphere than would occur naturally. ... compounds that can remain active in the environment for thousands of years .
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<u>Answer</u>:
Gregory I increase the political power of the pope by (D) None of the above methods.
<u>Explanation</u>:
During this time, Gregory l increased the political power of the pope. This was achieved by contributing the church revenues for the welfare of the people. These money or the revenues were used to built roads and used for other essential requirements of the people.
Even to support financially for military and other public requirements, the church revenues were only used. This helped the poor and needy people also and saved their lives. Starting from laying roads and constructions of buildings it was only the revenue money used widely for all the developments.
It is important because if the cause didn't happen the effect wouldn't exist