Answer:
I think it's the second one or first one
This was answered else where on Brainly, and this is what they said,
"Most proteins in the living organisms are enzymes and they required specific optimum conditions in order to function optimally. Disruption in the homeostasis will leads to deactivation of these proteins. For instance, if the temperature needed for a protein to work optimally has been exceeded, the protein may be denatured and will be unable to perform its needed functions, this may result in several adverse effects in the organism."
The answer to this question is Fossil Fuels
Answer:
Both Anti A and Anti B bodies are present in the blood stream of person with blood group O
I hope this will help you:)