input: Depending on the number of contributions each presentation will last for 2030 minutes including time for discussion
fixed: Depending on the number of contributions each presentation will last for 20-30 minutes including time for discussion.

input: Quick calculations of area square feetmeters and volume
fixed: Quick calculations of area (square feet/meters) and volume

input: To make this happen science demands limiting carbon dioxide to a maximum of 450 ppm CO2e or 350 ppm of CO2 alone
fixed: To make this happen, science demands limiting carbon dioxide to a maximum of 450 ppm CO2e, or 350 ppm of CO2 alone.

input: The heavily loaded format urges the beholder to devotedness
fixed:
The heavily loaded format urges the beholder to devotedness.