Is Alaska, Greenland, and Antarctica covered mainly in ice?

Two of them are; one is not.

http://www.greatlandofalaska.com/reference/faq.html#icecovered

Alaska only in the winter :)

There are a lot of glaciers in Alaska but I would not say it is mainly covered in ice all year.

Yes, Alaska, Greenland, and Antarctica are indeed covered mainly in ice. To verify this information, you can conduct a simple search using a search engine or an online map service.

1. Open a web browser and go to a search engine such as Google or Bing.
2. Type "Is Alaska covered in ice?" in the search bar.
3. Look for authoritative sources such as government websites, scientific institutions, or reputable news sources in the search results.
4. Click on a relevant link that provides reliable information on the topic.
5. Read the content to confirm the ice coverage in Alaska.

Repeat the same process for Greenland and Antarctica to gather information about their ice coverage.