Why was ada determined to make butter jump? What did she decide she needed to do to accomplish this goal? For the book called The war that saved my life

Nthis poem by ruskin bond, what does the use of the word heart-beats suggest about the narrator's attitude toward life?

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were a wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

Could someone me with this question?