1) The Earth's core is primarily composed of iron and nickel and is as hot as the surface of the sun.

2) The term "cloud computing" refers to the delivery of computing services, including storage, databases, and software, over the internet rather than on a local server.

3) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.

4) Political ideologies such as liberalism, conservatism, socialism, and communism shape and influence policies, governance, and societal values in different countries and contexts.