Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks

Sea Watch Foundation is a national organization which was (26)___________ in 1991. Its main aim is to improve the (27)___________ and protection of whales, dolphins and porpoises in British and Irish waters. Professional researchers work together with volunteers to identify and monitor the numbers and locations of these animals (28)___________ they can gain valuable knowledge of the ocean environment, the impact of climate change on the seas, the effects of chemical pollution, over-fishing and accidental capture in fishing gear. The project also increases awareness and understanding of marine mammals and the threats they face. Volunteers can work both in the office and in the field. There is also a (29)___________ of regional coordinators and volunteer observers all around the UK coastline. They provide data and support to Sea Watch through recording and reporting all sightings of whales, dolphins and porpoises. Sea Watch Foundation has also run courses (30)___________ over twenty years, making it one of the most experienced organizations for training observers and students interested in sea animals in the country. If you would like to be a volunteer, the most straightforward way to get involved is to contact the organization’s co-ordinator in your area and join him or her for a sea watch. Anyone with enthusiasm and a pair of binoculars can take part in.

Sea Watch Foundation is a national organization which was (26)___________ in 1991.