You have reached the end of your four-hour
wireless session. we hope you have enjoyed
the convenience of our service! he furrowed
his brow and pinched his eyelids together and
was about to lose his composure when he
heard a timid voice. he couldn't understand
the words because they had been so quiet.
how does this detail refine the theme of the
passage?

i will try let me see what they are first

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation:

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.

one context clue that me find the meaning of luxuriance was that the base word of luxuriance is luxury, so i think that luxuriance means something that is luxury, or something luxurious.