A. What is the main idea of the passage?

A. Scientists are planning a huge project to clean up garbage in the Pacific Ocean.
B. A garbage island in the PO is causing environmental problems and some people are helping to reduce it.
C. There is an island of plastic garbage in the Pacific Ocean, and nobody knows where it came from.

B. Choose the correct words to complete the text summary.There is an island in the Pacific that is made up of different kinds of trash. Most of the garbage patch is actually tiny pieces of 1__________ (plastic/ food). The objects in the island are always moving 2__________ (in a circle/ toward land). The movement of water 3____________ (attracts new objects/ pushes objects away), so the island is always getting 4___________ (smaller/ bigger). Experts aren’t sure how large the island is, but some think that it could be 5__________ (double/ three times) the size of the United States.