Which sentence uses subjective language? O For research purposes, scientists classified walking as moderate exercise and running as vigorous exercise.
O Running, swimming, and bicycling are aerobic exercises.
O Walking doesn't exercise the heart as well as running, swimming, and bicycling, but it's still a worthwhile activity.
O Department of Health and Human Services guidelines suggest getting 75-150 minutes a week of aerobic exercises, such as running, swimming, and bicycling​

i need for you to know i dont know the answer

a

explanation:

hopefully this will you you're welcome

hello,

your answer is a) the metaphor suggests that the poetic themes are serious and dark.

collins is comparing the poem to a dark room. he is suggesting that the poems theme is serious and wants you to understand it. you don't need to understand the poet in order to understand the poem. you also don't need to move around while reading it. he is simply saying the poem has a dark and serious theme.

- i.a -