QUESTION: Fix punctuation: How do I contact flowers4newzealandcom customer service if there is a problem
ANS: How do I contact flowers4newzealand.com customer service if there is a problem?
QUES: Liberalisation may therefore cause the price of incineration economic costs possible extra profit to increase

correct the punctuation.

CORRECTED: Liberalisation may therefore cause the price of incineration (economic costs + possible extra profit) to increase.
Question: Mass youth unemployment has left them in a difficult position and many young people have left for richer countries in search of a better future
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Answer: Mass youth unemployment has left them in a difficult position, and many young people have left for richer countries in search of a better future.
Use only mouse to control Move by moving mouse and drop pumpkins in wheel barrel by left clicking

Can you repeat this sentence, but add in punctuation?
Use only mouse to control. Move by moving mouse, and drop pumpkins in wheel barrel by left clicking.
input: Worldaxis formed by the three bright stars Canopus Sirius and Lyra located on a straight line across the sky was known by many peoples
fixed: World-axis - formed by the three bright stars, Canopus, Sirius, and Lyra, located on a straight line across the sky - was known by many peoples.
Two years ago the Centre for Nursing Excellence at LPCH began investigating alternative training methods for teaching CPR skills to families at discharge in an effort to better serve patient and hospital needs

Can you repeat this sentence, but add in punctuation?
Two years ago, the Centre for Nursing Excellence at LPCH began investigating alternative training methods for teaching CPR skills to families at discharge in an effort to better serve patient and hospital needs.