Can somebody help me please and thank you

Read the sentence: though margo moved as slowly as a snail in the morning, she somehow ended up being the shining star at the corporations breakfast meeting. which phrase from the sentence is an example of the authors use of simile? a) being the shining star b) somehow ended up c)the corporations breakfast meeting d)moved as slowly as a snail

Messalla frowns at the wide circular cover, for a moment returning to his own fussy world.

What is the main idea of this paragraph from the volcanoes section of the ready.gov website