Answer:
because harmful substances often chemicals or microorganisms contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment.
Explanation:
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The circumference of that circle is about 27.02.
The most populated region of Australia is the southeastern coast because drops grow much better there and the vast majority of Australia is desert.
The answer is B. In South Asia, Islam found a place in a long-established civilization as invasions by Turkic-speaking warrior groups from Central Asia, recently converted to Islam, brought the faith to northern India. Thus the Turks became the third major carrier of Islam, after the Arabs and Persians, as their conquests initiated an enduring encounter between Islam and a Hindu-based Indian civilization.
<span>The correct answer for the question that is being presented above is this one: "Topographic maps feature contour lines to portray the shape and elevation of the land. Topo maps render the three-dimensional ups and downs of the terrain on a two-dimensional surface. It also includes contours. Orthophoto maps</span> show land features using color-enhanced photographic images which have been processed to show detail in true position. They may or may not include contours."
