Historically, the phenomenon of visual and abstract theories arising simultaneously in scientific communities have given rise to a pendulum effect, wherein academics swing from promoting one style to the other every few years.
A. in scientific communities have given rise to a pendulum effect, wherein academics swing from promoting one style to the other every few years.
B. in scientific communities have given rise to a pendulum effect, a case where academics swing from promoting one style to the other every few years.
C. in scientific communities have given rise to a pendulum effect, where academics swing from promoting one style to adopting the other every few years.
D. in scientific communities has given rise to a pendulum effect, a case in which academics swing from promoting one style to adopting the other every few years.
E. in the scientific community has made rise of the pendulum effect, wherein academics swing from promoting one style to adopting the other every few years.
phenomenon - singular - Has -- Between D & E --> wherein always points to place here it is effect therefore wrong.