Which sentence contains a subject-verb agreement error?

Maroon bang suliranin o mga suliranin nangibabaw sa epiko? isa isahin ang mga ito

What is communication in speech, writing or signals

Which of the following is an essential element of a strong informative/explanatory text? a. it expresses an opinion on a topic. b. it has a clear organizational structure. c. it uses text features, such as headings. d. it includes graphic elements, such as images.