Please capitalize where necessary: the museum holds a very interesting collection of shells andcoral along withsamples of many other species.
A: The museum holds a very interesting collection of shells andcoral along withsamples of many other species.

Q: this demand, in turn, may influence a dramatic rise in the price of apple stocks.

A: This demand, in turn, may influence a dramatic rise in the price of Apple stocks.

Q: modul 200 ww is part of a design concept that includes a wide variety of recessed modul luminaires of different sizes, with a number of different optics.
A: Modul 200 WW is part of a design concept that includes a wide variety of recessed Modul luminaires of different sizes, with a number of different optics.

Problem: if you're not in the habit of maintaining a regular backup then this situation needs to be taken seriously.
Can you repeat this sentence, but capitalize it?
Answer: If you're not in the habit of maintaining a regular backup then this situation needs to be taken seriously.

Text: the operational costs are still high due to manning requirements.

Correct capitalization: The operational costs are still high due to manning requirements.

Q: the speed of sound was presupposed as 343.5m/s, corresponding to a temperature of 20c. the influence of the tube's diameter is neglected.

A:
The speed of sound was presupposed as 343.5m/s, corresponding to a temperature of 20C. The influence of the tube's diameter is neglected.