Plz help me. Im not good at languages or spelling for that matter.

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.

Which letter represents the atomic number? a) a b) b c) c

Is anyone in 6th grade here because i only see high school stuff