Answer:
Currently the biogenic theory is the leading explanation for the formation of fossil fuels and it’s believed that the petroleum we most commonly use took anywhere from 1 million to 1 billion years to form and represents a wide spectrum of useful petroleum and natural gas products including methane, propane, butane, hexane, octane and others
Explanation:
Reference: www.sclubricants.com/fossil-fuels-oil/
Answer: a molecule made of many small molecules
Explanation: Macromolecules are large molecules that are composed of smaller molecules called monomers. These macromolecules are polymers of the monomers units. Examples of macromolecules are proteins which have amino acids as their monomers and carbohydrates which have monosaccharide sugars such as glucose, and fructose as the monomers.
Answer:
The stomach produces hydrochloric acid.It kills many harmful microorganisms that might have been swallowed along with the food.The enzymes work best in acidic conditions-at low pH
DNA Fingerprinting is a way to find a specific individual. It is more specific than simply identifying a specie or a particular trait. It is a sort of personal identifier. DNA uses micro satellite to make to make identification much easier. DNA fingerprinting is prevalent in the world of criminal forensic.
