In addition to a better quality of life, which of the following is the truest about modern livestock? the animals have much less of an environmental footprint today than in years past. the animals have a longer life-span today than in years past. the animals have significantly more freedom today than in years past. the animals have more adaptability to new environments today than in years past.

Option A, The animals have much less of an environmental footprint today than in years past.

Explanation:

In old days the animal farming, cultivation and pasturing were not as efficient as in the presents times.  

Even the meat processing industries , slaughter house etc. have also started taking measures to reduce the footprint of processed meat production industries in lieu to strong protest and regulations world wide.  

The better waste disposal and hygienic practices have also led to decrease in the carbon foot print

Thus, option A is definitely true.

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the answer is b. glad to .