Please capitalize where necessary: how to play magical world of mathematics:
A: How to play Magical World of Mathematics:

Q: part of the examination was also a short probationary lecture on an arbitrary topic in front of the appointed commission.

A: Part of the examination was also a short probationary lecture on an arbitrary topic in front of the appointed commission.

Q: download demo version of memory card recovery software
A: Download Demo Version of Memory Card Recovery Software

Problem: most environmental issues are of a transboundary nature and many have a global scope.
Can you repeat this sentence, but capitalize it?
Answer: Most environmental issues are of a transboundary nature and many have a global scope.

Text: if the challenge confirms the presence of an adverse food reaction, the next step is to perform a provocation diet trial: going back to the elimination diet, begin by adding a single ingredient to the diet.

Correct capitalization: If the challenge confirms the presence of an adverse food reaction, the next step is to perform a provocation diet trial: going back to the elimination diet, begin by adding a single ingredient to the diet.

Q: gozzip - smart short jacket with long sleeves and smart apexes also coarse zip fasteners

A:
Gozzip - Smart short jacket with long sleeves and smart apexes also coarse zip fasteners