Most australians and new zealanders are descended from
a. british ancestors.
b. pacific islander ancestors.
c. french ancestors.
d. southeast asian ancestors.

a. British ancestors.

Most Australians are descended from British people. This is because the original people, the Pacific Islander population, was not very large by the time the Europeans arrived. Moreover, this people were decimated by disease and invasion, and this greatly reduced their numbers. Once Australia was colonised, Great Britain engaged in a massive migration campaign by sending their criminals to the island.

answer: hey improve the marine life in a certain area.

they provide a new location for fishermen to fish and which works to ease the pressure on natural reefs.

they are a great way to get rid of large objects that would otherwise be placed on landfills

explanation:

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