The most logical contributing factor for the endangered status of black-footed ferret is Human encroachment. Farmers and ranchers (with government assistance) eliminated many prairie dogs because their underground complexes were destructive to fields. This led to decrease in the prairie dog populations, the primary prey of black-footed ferret.
The answer is C. Carbon is versatile and easily combines with other elements
I was thinking maybe it's a heart sinus rhythm but it doesn't have the right characters it should have it looks like a blood pressure with a sinus arrhythmia but it's not
Answer: allele/ gene / homologous
Explanation: