Trench<span>: very deep, elongated cavity bordering a continent or an island arc; it forms when one tectonic plate slides beneath another.
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Ridge<span>: underwater mountain range that criss-crosses the </span>oceans<span> and is formed by rising magma in a zone where two plates are moving apart.</span>
<span>Avoiding or Escaping a Feared Situation Reduces Anxiety And Ends Up A. Reinforcing The Phobic Behavior
Phobia can occur if you keep avoiding or escaping the situation that induces your fear. That's why in phobia treatment you will be exposed to that fear and be taught how to solve it.</span>
<span>The phospholipid bilayer has a fluid makeup, so this allows vesicles to go from one part of the cell to another and fuse with those areas. The vesicles then go into these areas and deposit the needed substances or pick up waste products from these areas in order to remove them from the cell.</span>
Here are the four postulates of natural selection. These are <span>features, differences in population members' ability to reproduce and survival of the fittest in terms of variability, heritability and reproduction. Hope this answers your question. Have a great day!</span>
The science that describes populations is called Demography.
Demography is the study of human population dynamics. It entails the study of the size and density, distribution, and vital statistics such as births, marriages, deaths, aging, migration among other factors that affect a population. In other term is the Quantitive and qualitative aspects of human population.