(v.) to develop gradually, especially from a simple to a more complicated form

(n.) a formal set of ideas that is intended to explain why something happens or exists

(n.) a condition or circumstance that puts one in a favorable or superior position

(v.) to cause something to come toward something else, or to cause a person or animal to become interested in someone or something

(n.) a piece of evidence or information used in the detection of a problem, question, mystery or crime

(n.) an arrangement of things for people to look at or buy

(n.) the facts, signs, or objects that make you believe that something is true

(adj.) able to bend easily without breaking; a person, plan etc. that can change or be changed easily to suit any new situation

(n.) a quantity or thickness of something that lies on the top of something or between two parts

In the future parents may be able to choose their children’s physical __________________.

Computer software will continue to evolve in response to users’ needs.

According to the _____________________ of relativity, nothing can travel faster than light.

Nuclear power has a(n) _____________ over coal and oil because it doesn’t emit any greenhouse gases

The tennis championship will ____________ a lot of tourists to the city.

A mobile phone found in a park could hold a _________________ as to where the missing man may be.

This jewelry is not for sale, it is only for ________________.

There is _____________________ that smoking can lead to different types of cancer.

My schedule is ________________ - I could arrange to meet with you any day next week.

There was a thin ___________________ of oil on the top of the water.

Bird feathers can be traced back 125 million years.

Feathers serve for "insulation": this means they make birds fly faster

Colourful feathers serve the purpose of attracting mates.

Feathers on each side of a bird’s body are shaped identically.