Please capitalize where necessary: the amount of hands will have an overwhelming effect and to some may even be threatening.
A: The amount of hands will have an overwhelming effect and to some may even be threatening.
Q: there are many such instances, which justify us in believing that organisms of several kinds can result in a successful amalgamation.

A: There are many such instances, which justify us in believing that organisms of several kinds can result in a successful amalgamation.
Q: a book that i like very much, though i do not understand one single line in it!
A: A book that I like very much, though I do not understand one single line in it!
Problem: try to reach the finish as fast as you can! instructions: use the up arrow key...
Can you repeat this sentence, but capitalize it?
Answer: Try to reach the finish as fast as you can! Instructions: Use the UP arrow key...
Text: individuals with surname manjasol

Correct capitalization: Individuals with surname MANJASOL
Problem: - air conditioning in all rooms
Can you repeat this sentence, but capitalize it?
Answer:
- Air conditioning in all rooms