What was the importance of cave houses?

Some prehistoric humans were cave dwellers, but most were not (  and Human evolution). Such early cave dwellers, and other prehistoric peoples, are also called  (the term also refers to the stereotypical "caveman" stock character type from fiction and popular culture). Despite the name, only a small portion of humanity has ever dwelt in caves: caves are rare across most of the world; most caves are dark, cold, and damp; and other cave inhabitants, such as bears and cave bears, cave lions, and cave hyenas, often made caves inhospitable for people.

Explanation:

They are important natural resources because of their unique beauty and history. They play a healthy environment role as well.

the answer is counterpoint.

counterpoint definition: "the art or technique of playing a melody or melodies in conjunction with another, according to fixed rules."

counterpoint is present in a lot of baroque music- such as bach (notably his wtc prelude and fugues) and scarlatti, but can also be found in music by mozart, beethoven. it can even be found in music as modern as john williams!