I think they contain covalent bonds, between the carbon atoms and also between the carbon atoms and hydrogen atoms. Polymers consist of chain-like molecules that are in turn, made up of numerous smaller, repeating units called monomers.
Answer:
Vitamin C, also known as ascorbic acid and ascorbate, is a vitamin found in various foods and sold as a dietary supplement.
chemical formula C6H8O6
Explanation:
D, a sonic boom is only produced when a body is traveling faster than sound
Answer:
See below
Explanation:
Trees use carbon dioxide to live. They use it to preform photosynthesis, taking in carbon dioxide, and releasng oxygen back inot the atmosphere.
Answer:
Statement that correctly states the evolutionary progression of hominids is that hominids first developed tools, then language and the brain increased in size.
Explanation:
The evolution of hominids occurred over a long period of time and included several steps in order for evolution to reach the Homo sapiens which is now known.
- <em>The first step in the evolution of hominids was standing -walking in an upright position on the lower limbs- which led to the release of the upper limbs.
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- <em>The release of the upper limbs resulted in the use of the hands, which in turn led to the development of the first tools.
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- <em>The development of language initially emerged with rudimentary sound-based communication, until it became a structured language.
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- <em>During this process, the size of the brain -as well as the cranial capacity- increased as the hominid acquired new skills.
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For this reason, the statement which best describes the evolution of hominids is that hominids first developed tools, then language and the brain increased in size.