Read this first sentence of a summary of The Great Pacific Garbage Patch.
A huge and potentially harmful patch of plastic
garbage has formed in the Pacific Ocean as the
result of human pollution and ocean currents.
Based on the information in the passage, which
sentence would BEST complete the summary?
Attempts to clean up the patch or reduce the use
of plastic are likely to fail; the best solution may be
prevention.
Fish can be poisoned if they eat toxins from
discarded plastic, and these toxins accumulate in
their tissues.
A plastic bag from California can make its way
thousands of miles to the patch; this problem is
extensive.
The size of the patch is difficult to determine
because the patch is floating and drifting all the
time.