Please choose the correct ending to complete the given sentence: Work World: [header] How to work in antarctica [title] Look for jobs through your country's national antarctic program. [step] Many countries have a national antarctic program that connects job seekers with open positions in antarctica. You can apply and interview for jobs through your country's program.

Ending1: [substeps] You can find your country's national antarctic program by visiting https: // www.comnap. Aq/members/sitepages/home. Ending2: Unlike other countries, antarctica is not the only continent in the world with an arctic ocean. [substeps] This is a good place to look. Ending3: Do the research so you have a good idea of what positions to apply for. Many regional and national antarctic programs start with registered positions. Ending4: [substeps] Visit the national antarctic program website at www.npetator. Org to look for job opportunities or create your own website.

Answer format: ending1/ending2/ending3/ending4