The correct answer is (c) 1936.
Halley National Park is a national park in Victoria, Australia. It was established on 12 October 1936. The park is located in the Grampians, a mountain range in western Victoria. The park covers an area of 1,670 square kilometres (645 sq mi).
The park is home to a variety of plant and animal life. The park is also home to a number of Aboriginal cultural sites.
The park is a popular destination for hiking, camping, fishing, and bird watching.
The park is managed by Parks Victoria.
(a) 1924: This is the year that the Grampians National Park was established. The Grampians National Park is a separate park to Halley National Park.
(b) 1930: This is the year that the Great Barrier Reef Marine Park was established. The Great Barrier Reef Marine Park is a separate park to Halley National Park.
(d) 1951: This is the year that the Kakadu National Park was established. The Kakadu National Park is a separate park to Halley National Park.