Tolong dong.. plis jawab no 5 yg a, b,c aja

a. bagaimana bentuk bayangan pada jam 09.00, jam 10.00, jam 12.00 dan jam 14.00?

b. mengapa perubahan bentuk bayangan dapat terjadi?

c. peristiwa alam apakah yg menyebabkan perubahan posisi bayangan tersebut?​​

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

Which of the following most accurately describes china today

As a result of the germanic tribes sacking rome