Answer:
The weat coast if the United States has a active margin, where thr coastline corresponds with the boundary between the Pacific and North American plates
Explanation:
Answer:
To repel
Explanation:
There are also many biological reasons why sponges are much more toxic than most other marine invertebrates, related to evolutionary advantages of being toxic (the study of chemical ecology). Chemical defence. Since sponges cannot avoid predators by escaping, they may use toxins to repel predators.
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Mid-ocean ridges occur along divergent plate boundaries, where new ocean floor is created as the Earth's tectonic plates spread apart. As the plates separate, molten rock rises to the seafloor, producing enormous volcanic eruptions of basalt.
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When the air is humid it means that the air is already saturated with water vapor and that air is no longer capable of holding additional water vapor. This means that the next step should be precipitation (or rain, snow, etc). Therefore, the residents should be warn of the precipitation and be advised to bring protective devices such as umbrellas, raincoats, etc.
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A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds because the atoms share electrons. The hydrogen atoms have one electron each.
Because they share those electrons with the oxygen atom, the electrons tend to stay close to the oxygen atom and the outside of the hydrogen atom tends to be positively charged. The oxygen atom has eight electrons. Most of those tend to stay away from the hydrogen atoms and cause the outside of the oxygen atom to have a negative charge.
<span>When two water molecules get close together, the polar forces work to draw the molecules together. The oxygen atom of one water molecule will bond with several hydrogen atoms of other water molecules. These bonds are called hydrogen bonds.</span>