Primary succession occurs when vegetation occurs in a place for the very first time, i.e there was no vegetation there before.
The causes are:
-Erosion
-Physiography
-Elevation
The correct answer is: the " phospholipid bilayer " .
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→ { which is hydrophobic (water-repellent) due to its waxy-like composition of many lipids.}.
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Hope this helps you!
Best wishes!
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D. Estuaries
Estuaries are a place where fresh and salt water mix.
Answer: what are you asking in this question?
Explanation: