Butwhatisit,andwhatdoesithavetodowithclimatechange?

But what is it, and what does it have to do with climate change?
[Q]: [Hemayhavebeenseatedintheexhibitedsaddle,whichwas,however,madeforhiselderbrother'sweddingin1634.Themagnificentsaddlecanbeseeninthesamedisplaycaseasthecoins.]
[A]: [He may have been seated in the exhibited saddle, which was, however, made for his elder brother's wedding in 1634. The magnificent saddle can be seen in the same display case as the coins.]
Problem: Add spaces: Articlesofapparel,clothingaccessoriesandotherfurskinarticles(excl.glovesmadeofleatherandfurskin,footwareandheadgearandpartsthereof,andgoodsofchapter95,e.g.,toys,gamesandsportsequipment)

Spaces added: Articles of apparel, clothing accessories and other furskin articles (excl. gloves made of leather and furskin, footware and headgear and parts thereof, and goods of chapter 95, e.g., toys, games and sports equipment)
This text is missing some spaces, please add them: withcutterforcuttingandtrimmingleadweights(withorwithoutadhesivefoil),ChromeVanadium,chromeplated.
with cutter for cutting and trimming lead weights (with or without adhesive foil), Chrome Vanadium, chrome plated.
input question: Fix spacing: SportTiedjeweightedfitnessringbyElisabethon25.11.2013Version:1.5kg

output answer: Sport Tiedje weighted fitness ring by Elisabeth on 25.11.2013 Version: 1.5 kg
input question: Fix spacing: Heretheword"my"isanexpressionfortheI,whichissomethingotherthanthebodyanditsorgans.

output answer:
Here the word "my" is an expression for the I, which is something other than the body and its organs.