Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.

Eco-holidays are a great way to protect the___________.

Find out the synonym of the underlined word from the options below.

The factory was fined for discharging chemicals into the river.

Choose the best answer to complete each sentence.

The vast wilderness of Alaska offers some unbelievable ecotourism opportunities, and one of the most______ tourism industries in the USA.

Choose the best answer to complete each sentence.

Seattle is one of the most ______ cities in the US.

Choose the best answer to complete each sentence.

In Alaska, the ecotourism operators are designed to help minimise tourism ______, which may be more difficult to control as an independent traveler.

Choose the best answer to complete each sentence.

Villagers can compete against the commercial fishing and timber companies who ______  the natural resources of the area, taking as much as they want.

Choose the best answer to complete each sentence.

Ecotourism ______  are important to the overall sustainability of the country's tourism industries.

Choose the best answer to complete each sentence.

Texas is ______ to a number of eco-tour companies, and plenty of ranches and resorts.