Ms. Foster is a new second grade teacher, and she has designed a science project for her students. She is excited to begin this instructional hands-on unit; however, she wonders if the unit is developmentally appropriate for second grade students. In terms of her uncertainties about the science project, she should: A) Collaborate with other second grade teachers because horizontal teaming helps teachers develop stronger instructional activities. B) Contact the science specialist in the district for advice and for additional materials. C) Contact the school librarian for additional resources. D) All of the above