When was BSE first discovered?
BSE first appeared in British cattle in the mid-1980s. There have been numerous cases detected in other countries. A complete list of countries is available from both the U.S. Food and Drug Administration (FDA) and the U.S. Department of Agriculture (USDA).
Answer:
Is this USA Test prep?
I believe that it is all except the 2nd one
Explanation:
The industrial revolution damaged our ecosystem
Answer:
In a comparison of birds and mammals, the condition of having four limbs is a shared ancestral character
