Add spaces: CCNAExplorationhelpspreparestudentsforentry-levelcareeropportunities,continuingeducation,andglobally-recognizedCiscoCCNAcertification.

Answer: CCNA Exploration helps prepare students for entry-level career opportunities, continuing education, and globally-recognized Cisco CCNA certification.

Add spaces: Relativelyrecent,freeonlinegamesquicklybecamemassentertainment.

Answer: Relatively recent, free online games quickly became mass entertainment.

Add spaces: Atthesametimenewtraderouteswerealsobecomingmoreattractive.

Answer:
At the same time new trade routes were also becoming more attractive.