A chemical formula<span> is a way of expressing information about the proportions of atoms that constitute a particular </span>chemical<span> compound, using a single line of </span>chemical<span> element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.</span>
<span> Mass, volume, weight, density, </span>color<span>, </span>phase, size, texture, smell, taste, hardness, ...Ductility—ability of some metals to be pulled into wires ... of the substance but changes a physicalproperty<span>, such as size, shape or </span>phase<span> of matter. ... Chemical changes are taking place in our bodies and </span>all<span> around us </span>all<span> the time.</span>
Answer:
Divergent boundaries occur along spreading centers where plates are moving apart and new crust is created by magma pushing up from the mantle. Picture two giant conveyor belts, facing each other but slowly moving in opposite directions as they transport newly formed oceanic crust away from the ridge crest.
Perhaps the best known of the divergent boundaries is the Mid-Atlantic Ridge. This submerged mountain range, which extends from the Arctic Ocean to beyond the southern tip of Africa, is but one segment of the global mid-ocean ridge system that encircles the Earth. The rate of spreading along the Mid-Atlantic Ridge averages about 2.5 centimeters per year (cm/yr), or 25 km in a million years. This rate may seem slow by human standards, but because this process has been going on for millions of years, it has resulted in plate movement of thousands of kilometers. Seafloor spreading over the past 100 to 200 million years has caused the Atlantic Ocean to grow from a tiny inlet of water between the continents of Europe, Africa, and the Americas into the vast ocean that exists today.
Explanation:
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