Problem: Add spaces: Becauseheisconstantlybothhungryandonaslimmingdiet,wesometimessupplementhisdietwithvegetablestomakehisfoodfillmoreinhisstomach.

Spaces added: Because he is constantly both hungry and on a slimming diet, we sometimes supplement his diet with vegetables to make his food fill more in his stomach.

Problem: Add spaces: Easytostoreandtransport

Spaces added: Easy to store and transport

Problem: Add spaces: Meanshavinggoodrelationshipswiththeirneighborsandtoliveinasatisfactoryenvironment.

Spaces added: Means having good relationships with their neighbors and to live in a satisfactory environment.

Problem: Add spaces: InotherwordsIpredictthatagaswillmakethefiregoout.

Spaces added:
In other words I predict that a gas will make the fire go out.