3.13 x 10 ^9
This is because only 1 number is front of the decimal and 2 numbers should be after
Riparian zones can reduce the impact of water pollution is true.
The statement is true.
<h3 /><h3>What are Riparian zones?</h3>
The areas along the banks of rivers and other sources of surface water are known as riparian zones.
The floodplain and riparian buffers bordering the floodplain are included.
Riparian zones benefit streams, groundwater, and downstream land areas in numerous ways, both environmentally and recreationally.
Thus, the given statement is true.
Learn more about Riparian zones, here:
brainly.com/question/2554838
Answer:
The core concept is the sentence. The start. It's the biggest thought on the subject. There was a mistake. The author will find the principal idea in a paragraph in various ways. The principal concept is normally a phrase, and usually is the first phrase.
Explanation: detailed enough i hope
Montreal Protocol is the correct answer I think