Nitrogen is not a product of photosynthesis
Domesticated animals are animals that have been selectively bred and genetically adapted over generations to live apace with humans. They are genetically dissimilar from their wild ancestors or cousins.
Animal domestication falls into three main categories:
domestication for companionship (dogs and cats), animals reared for food (sheep, cows, pigs, turkeys, etc.), and working or draft animals (horses, donkeys, camels). Animals that make good contenders for domestication generally share many traits.
Domestication happens through selective breeding. Individuals that show beneficial traits are selected to be bred and these prudent traits are then passed along to future generations. Wolves were the first animal to be domesticated, sometime between 33,000 and 11,000 years ago.
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Answer:
The reason our heart wont just stop working is because it's the main muscle that is working everything else in your body and your other organs would have to stop before your heart would come to a stop. because even if someone or something dies their heart will not stop immediately their heart will go to a slower pace and then stop