QUESTION: Fix punctuation: So its obvious you will need this tool
ANS: So, it's obvious you will need this tool.

QUESTION: Fix punctuation: The engagements were minor but some members of the expedition were killed including a native of Mexico who had joined the expedition in Spain
ANS: The engagements were minor but some members of the expedition were killed, including a native of Mexico who had joined the expedition in Spain.

QUESTION: Fix punctuation: Branching stems hairy narrow leaves Long did not wilting fragrant flowers form a dense head
ANS: Branching stems hairy narrow leaves. Long did not wilting fragrant flowers form a dense head.

QUESTION: Fix punctuation: Entries in the classes traditional and thematic must have achieved a minimum of a vermeil medal at an exhibition of national level
ANS:
Entries in the classes traditional and thematic must have achieved a minimum of a vermeil medal at an exhibition of national level.