As mentioned in the last paragraph, why a reef is called a barrier reef?

Gender ____ is not only a fundamental human right, but a necessary foundation for a peaceful, prosperous and sustainable world.

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

It is against the school rules to cheat in the test.

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

A lot of adults pay lip service to the idea that it is important to listen to teenagers' ideas, but they tend to listen and then forget.

A smart city is an urban area that uses different types of electronic data collection sensors to supply information which ____ assets and resources efficiently.

It is the classical Athenians who can probably lay claim ____ the invention of commercial advertising as we know it today.

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

The late 1800s and early 1900s ____ excitement over a wide array of inventions and developments.