Please capitalize where necessary: the universe would be an unremitting "nothing".
A: The universe would be an unremitting "nothing".

Q: the difference can be ascribed to the different levels of detail of the information sources.

A: The difference can be ascribed to the different levels of detail of the information sources.

Q: description: arctic hare in summerplumage partially hidden in the tall grass
A: Description: Arctic hare in summerplumage partially hidden in the tall grass

Problem: gracia lesseps can be reserved only if the booking start date is between 08 jul 2015 - 23 jul 2015
Can you repeat this sentence, but capitalize it?
Answer: Gracia Lesseps can be reserved only if the booking start date is between 08 Jul 2015 - 23 Jul 2015

Text: if you study a preparation of elodea find that chlorophyll does not float freely in the plant but are concentrated in the cells' interior, in small lumps (called chloroplasts).

Correct capitalization: If you study a preparation of Elodea find that chlorophyll does not float freely in the plant but are concentrated in the cells' interior, in small lumps (called chloroplasts).

Text: 1. todd rosenfeldt from niger: my antivirus comodo antivirus advanced 2012 told me my computer was infected and cleaned. but every time i open safari 533.16, there's always a window popping up saying "can't load mofcomp.exe" with error code "0x0050(the file exists. )".

Correct capitalization:
1. Todd Rosenfeldt from Niger: My antivirus Comodo Antivirus Advanced 2012 told me my computer was infected and cleaned. But every time I open Safari 533.16, there's always a window popping up saying "Can't load mofcomp.exe" with error code "0x0050(The file exists. )".