Natural world in which plants and animals live.

going in or turned towards direction opposite to that previously stated. In a backwards order. To change something to its opposite.

application of scientific knowledge for practical purposes.

in most cases.

class or division of people or things regarded as having particular shared characteristics.

Of a particular society's customs and beliefs.

action or habit of consuming alcohol. To put water in your body through your mouth.

corresponding in pattern or design. To work well or look good with something else.

change position, direction, or focus of.

possessions collectively.

To make or become larger in size or amount.

flowing naturally or supplied to building through pipes and taps. action or movement of runner. To start or use a computer program.

something that contributes to result. Some things that influences a result. factorize.

pay out money in buying or hiring goods or services.

invitation to compete/fight. Activities you wish to try that may be hard to do. invite to join in contest.