The ability to use your muscles for a long time without tiring activities: jumperope and lifting weights/high reps Flexibility
Cardio
M. Strength
M. Endurance
BMI/Body Composition

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 -

the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.

what are you talking about

whatever is after like is what is being compared they are comparing bumping into you like they are scared to catch germs you have and to you being contagious