Not made by humans; without human intervention. naturally. person having innate talent.

person who has changed faith or belief. People switching from one belief system to another. cause to change in form.

organelle found in large numbers in most cells.

not same as another or each other.

any of class of proteins which have carbohydrate groups attached to polypeptide chain.

hinder action or process.

Two or more atoms chemically combined.

To keep (machine) working by checking, repairing.

series of actions towards achieving something. Sets of changes that occur slowly and naturally. To organize and use data in a computer.

To write articles for a magazine or newspaper.

enzyme that catalyses hydrolysis of particular substrate.

person or thing that comes before another of same kind. Some things that come before another; forerunners.

gradual decrease. decrease.

Of the top layer; not deep or meaningful. outside part or uppermost layer of something. rise or come up to surface of water or ground.

of no value. not at all. Item of little or no value, importance, interest. not anything.