CHON is a mnemonic acronym for the four most common elements in living organisms: carbon, hydrogen<span>, </span>oxygen<span>, and nitrogen.</span>
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The skeleton consists of bone developing from mesoderm, except within the head where neural crest also contributes connective tissues. Each tissue (cartilage, bone, and skeletal muscle) goes through many different mechanisms of differentiation.
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Water molecules form hydrogen bonds with each other and are strongly polar. ... Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity.
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The river will increase Beijing’s water supply, which is currently at risk of not meeting the city’s needs. This increase will help to soften the effect of droughts.
The downside of the new river is that it may disrupt natural areas, including habitats for plants and animals. The project will also be expensive and may take up space that could be used for homes, businesses, or agriculture.
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why would this organism a close ancestor of humans evolve differently than us.
