Keepthehandsandleftfootfirmlyontheground,bendingtheheadbackward.

Keep the hands and left foot firmly on the ground, bending the head backward.
[Q]: [AdditionaltypesoffilesmayalsobeusingtheM3Dfileextension.IfyouareawareofanyotherfileformatsusingtheM3Dfileextension,pleasecontactussothatwecanupdateourinformationaccordingly.]
[A]: [Additional types of files may also be using the M3D file extension. If you are aware of any other file formats using the M3D file extension, please contact us so that we can update our information accordingly.]
Problem: Add spaces: Thecovenantisbinding"throughoutyourgenerations"(verse13);"aperpetualcovenant"(verse16)and"forever"(verse17).

Spaces added: The covenant is binding "throughout your generations" (verse 13) ; "a perpetual covenant" (verse 16) and "for ever" (verse 17) .
This text is missing some spaces, please add them: inasignificantlycompetitiveworldwidepharmaceuticalmarketandalsoenablesgivingeconomicalanabolicsteroidsavailableforsaletoathletes,bodybuildersandalsosportsmenacrosstheglobe,despitegeographicalaswellassocial-economicbarriers.
in a significantly competitive worldwide pharmaceutical market and also enables giving economical anabolic steroids available for sale to athletes, bodybuilders and also sportsmen across the globe, despite geographical as well as social-economic barriers.
input question: Fix spacing: "WhatI'mseeingrightnowisthatFranceisstartingtolooklikewhatIsawinLondon10or12yearsago.

output answer: "What I'm seeing right now is that France is starting to look like what I saw in London 10 or 12 years ago.
input question: Fix spacing: PerhapsthiswasasasenseofguiltabouttheMexicangovernment'spersecutionofleftists.

output answer:
Perhaps this was as a sense of guilt about the Mexican government's persecution of leftists.