Question: a Understanding the Integrative Concept
Please fix the punctuation.
Fixed: [(a) Understanding the Integrative Concept]

Question: The range of the xcomponent of the momentum of the particle is 2psin2
Please fix the punctuation.
Fixed: [The range of the x-component of the momentum of the particle is 2psin(/2).]

Question: Even with aluminum gas cylinders of gas levels can be used reliably
Please fix the punctuation.
Fixed: [Even with aluminum gas cylinders of gas levels can be used reliably.]

Question: We offer an incredible selection of affiliate programs to choose from
Please fix the punctuation.
Fixed:
[We offer an incredible selection of affiliate programs to choose from.]