Article: Innovation and Technology: A Panacea to Teaching and Learning Challenges during the Covid$-19$ Lockdown in South Africa$]$ Online courses are less effective than face$-$to$-$face course because they: $($p$\mathrm{.}73)$

a$.$

have limited opportunities for student$-$teacher and student$-$student interaction

b$.$

have many ways to replicate real$-$world classroom environments

c$.$

have decreased quality of teachers

d$.$

increase the immediate responses and involvement