I think it’s b hope this helps
I don’t understand, sorry. :|
The adverb in the sentence is Summer
I guess formal and informal refer to two types of essay - you can write a formal essay where you avoid conversational language and such and where you need to be very professional, or you can write informally where you don't have to think about such things, it is very casual.
First you need to figure out what the author wants you to figure out or do while reading the passage . take note of the first reason or the main reason, of what they want you to do and write down evidence to support his/her conclusion. write down every other reasons, and lastly underline the most important reasons.
