Please capitalize where necessary: according to our calculations, the last few days (june 6-7) have had 4% of the ice sheet area melting, so we have not yet reached the threshold in our definition.
A: According to our calculations, the last few days (June 6-7) have had 4% of the ice sheet area melting, so we have not yet reached the threshold in our definition.
Q: at the moment, when the analyses are to be sold to the individual business units, the most important aspects are sales and marketing.

A: At the moment, when the analyses are to be sold to the individual business units, the most important aspects are sales and marketing.
Q: between 23% and 50% of the population have a consumption of electricity that no one has any use of. 23% have turned on the light in unused rooms, 39% have unused devices turned on and 50% have unused devices on stand-by.
A: Between 23% and 50% of the population have a consumption of electricity that no one has any use of. 23% have turned on the light in unused rooms, 39% have unused devices turned on and 50% have unused devices on stand-by.
Problem: the rotational speed of the blade up to 6800 rpm. / min
Can you repeat this sentence, but capitalize it?
Answer: The rotational speed of the blade up to 6800 rpm. / min
Text: and then suddenly people will do it. i hope that interdependence will become more interesting than independence.

Correct capitalization: And then suddenly people will do it. I hope that interdependence will become more interesting than independence.
Please capitalize where necessary: check rates and availability for hotel rise. then proceed to booking.
A:
Check rates and availability for Hotel Rise. Then proceed to booking.