Answer:
Increasing surface water percolation and infiltration into the groundwater
Explanation:
Because of the way oxygen and hydrogen are bonded together, water<span> has an area of positive charge and an area of negative charge. This makes the </span>water<span> a polar</span>molecule<span>. Because of </span>water's<span> polarity, </span>water molecules<span> are </span>attracted to each other<span>. Hope this helps
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<span>Algae</span>
<span>Pioneer community can be refers to a community of spices that
first colonize an area during primary succession. This group of organisms are
among the first to arrive at a new site and perform a unique services by
preparing a habitat for later species. </span>
Answer:
The complement system is a <u>biological</u> barrier of the immune system.
Explanation:The answer is biological for edgeunity
