There are no adverb in these sentences
adverb = verb + adjective
Titan is one of Saturn's many moons. Titan has lakes like Earth but in stead of water the lakes are made up of liquid methane. Earth's Moon This moon is the only moon that Earth has. The moon has many craters that are caused by asteroid & comments. Also a man has walked on this moon.
An author can try to give the thoughts of the character or maybe a flashback from the past that reader doesn’t know about yet.
