Question: Most dogs with this condition show no signs appearing to be in perfect health
Please fix the punctuation.
Fixed: [Most dogs with this condition show no signs, appearing to be in perfect health.]

Question: These are areas with a very low content of water vapor in the air due to the temperatures and their distance from oceans
Please fix the punctuation.
Fixed: [These are areas with a very low content of water vapor in the air due to the temperatures and their distance from oceans.]

Question: Founder Jens Due maintains a significant ownership stake and will remain as CEO
Please fix the punctuation.
Fixed: [Founder Jens Due maintains a significant ownership stake and will remain as CEO.]

Question: as frequently as Id like yours is an invaluable service
Please fix the punctuation.
Fixed:
[as frequently as I’d like, yours is an invaluable service!]