Can someone translate this? Google translate is not helping lol

Which of the following is not a required characteristic of a well-written melody? variation in pitch shape lyrics phrase

Identify the structure of the human heart which is a muscular chamber that pumps blood out of the heart and into the circulatory system.

When readers use their own knowledge about a subject to come to a conclusion about a text, it is called a. finding a theme b. reading carefully c. making inferences d. questioning the text