Which group consists entirely of organic molecules

An organic compound is a compound of which one of the constituent chemical elements is carbon. This compound can be of natural origin (for example CO2, proteins, carbohydrates, lipids and nucleic acids) or produced by synthesis (aliphatic such as ethane and hexane, or cyclic such as cyclohexane and benzene) .

It is useful, beforehand, to distinguish organic compounds from inorganic compounds (such as water and oxygen).

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glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.