Which continent is called both a continent and a country

Australia

Explanation:

The continent of Australia is both a continent and country.

The country of Australia has 7 states and 1 capital territory: Western Australia, Northern Territory, South Australia, Queensland, New South Wales, Victoria, Tasmania, and Australian Capital Territory. The capital of the country of Australia is Canberra.

However, the continent of Australia (or Oceania) consists of 14 independent/sovereign countries and a few territories.

Those countries are: Australia, New Zealand, Papua New Guinea, Palau, Federated States of Micronesia, Marshall Islands, Nauru, Kiribati, Tuvalu, Fiji, Solomon Islands, Vanuatu, Tonga, and Samoa.

b. niger

explanation: