question: all times are gmt. the time now is 1:43 am .
Capitalize this past sentence correctly.
A: All times are GMT. The time now is 1:43 AM .

question: using boltzmann's thermo-dynamic constant k, planck also constructed an extremely high temperature:
Capitalize this past sentence correctly.
A: Using Boltzmann's thermo-dynamic constant k, Planck also constructed an extremely high temperature:

question: the same applies for the environments, where conditions are problematic; this can be everything from frequent starts/stops to high temperatures or lack of lubrication.
Capitalize this past sentence correctly.
A: The same applies for the environments, where conditions are problematic; this can be everything from frequent starts/stops to high temperatures or lack of lubrication.