QUES: Invested in June 2015 Status Active

correct the punctuation.

CORRECTED: Invested in June 2015. Status: Active.

QUES: He defined the power dissipation PD of a cyclone at the surface to be

correct the punctuation.

CORRECTED: He defined the power dissipation (PD) of a cyclone at the surface to be

QUES: All parts and components of the product should be about equally durable

correct the punctuation.

CORRECTED:
All parts and components of the product should be about equally durable.