C
Explanation:
The only hydrocarbon from the given options is molecule C.
The compound is an aromatic hydrocarbon.
- Hydrocarbons are compound composed of hydrogen and carbon only .
- A hydrocarbon is mostly made up of two atoms that are covalently bonded to one another.
- The major source of hydrocarbons is crude oil or petroleum, natural gas and coal.
- There are many known hydrocarbons.
- Most hydrocarbons burn in excess air to produce carbon dioxide and water.
- The reaction is exothermic.
- Only option C contains Hydrogen and Carbon.
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The most precious resource that is crucial to life on Earth is freshwater. Every single thing on that is living must have water to survive. Humans, animals, flowers, trees, etc. Water is the one thing that we can't live without. The correct answer is B.
The correct answer is 'security and safety' needs. This follows a principle of effective <span>persuasive speech: </span>the principle that basic needs must be satisfied before higher-leveled needs. Safety and security are regarded as basic needs that are non-negotiable for society.
Answer:
Genotypic variation occurs when alleles are randomly sorted during sexual reproduction. ... Some types of organisms can increase genetic variation through reproduction. They are able to combine the genetic material of two parents, rather than copying the genetic material of a single parent.
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