Which of the following is a contributing reason behind emerging disease?

a. the lack of evolution in hostsb. the overuse of antibioticsc. the absence of migration or travel in organismsd. the lack of evolution in pathogens

B. The overuse of antibiotics. Antibiotics have tremendously helped in in treating infectious diseases but throughout the years, overuse of antibiotics has also been found to contribute in the emergence of antibiotic-resistant diseases, which makes all of us vulnerable because of the lack of treatment for these new strains.

Spherical shaped cell might increase the surface area and decrease the volume.