read the paragraph, then choose the word that best completes the sentence. some kelp from the far east has…

read the paragraph, then choose the word that best completes the sentence. some kelp from the far east has spread along the california coast. marine scientists are concerned because the kelp is outpacing their efforts to eliminate it. in may 2009, scientists found the invasive seaweed, which is called undaria pinnatifida, clinging to docks at a yacht harbor in san francisco bay. the scientists were extremely disappointed by the discovery. it meant that the seaweed had spread from los angeles to san francisco. the kelp is _______. a persistent b brittle c wilted d compact

read the paragraph, then choose the word that best completes the sentence. some kelp from the far east has spread along the california coast. marine scientists are concerned because the kelp is outpacing their efforts to eliminate it. in may 2009, scientists found the invasive seaweed, which is called undaria pinnatifida, clinging to docks at a yacht harbor in san francisco bay. the scientists were extremely disappointed by the discovery. it meant that the seaweed had spread from los angeles to san francisco. the kelp is _______. a persistent b brittle c wilted d compact

Answer

Brief Explanations:

The text states that the kelp is outpacing efforts to eliminate it and has spread from Los Angeles to San Francisco. This shows it is difficult to get rid of and keeps growing and spreading, which is what "persistent" means. The other words - brittle (easily broken), wilted (drooping and weak), and compact (densely packed) - do not describe the kelp's behavior as described in the text.

Answer:

A. persistent