Atrip to the ocean can be a relaxing escape from the everyday pressures of life. a sailboat glistening on the horizon provides a mental escape to faraway places. the rhythm of the ocean beating against the sand is sedating music to a troubled mind. a slow, gentle breeze can relax your tensions. you should always be careful to avoid overexposure to the sun at the beach.
a. write the sentence that is the topic sentence of the paragraph.
b. write the sentence that is unrelated to the topic and can be eliminated.

answer: i would say he was very determined and persistent in overcoming obstacles.

explanation:   "the magician of menlo park" as he was called, liked to tell an incident that happened when he was 8 years old and came back home crying after attending school for three months because his teacher called him "sterile and unproductive". from nowadays perspective, we can say that thomas alva edison was one of the most persistent and determined man that has ever existed. when edison was 14, he contracted scarlet fever. the effect of the fever, as well as a blow to the head by an angry train conductor, caused edison to become completely deaf in his left ear, and 80-percent deaf in the other. so as you can see he had to struggle to not so many minor issues but he always succeeded.