A science teacher has a classroom that includes English Language Learners and students who are receiving special education services. When introducing a unit of study on photosynthesis, the teacher uses plants in the classroom to demonstrate the effects of photosynthesis. As an extension to this activity, students are encouraged to observe plants on their own and discuss what they have learned about photosynthesis at the beginning of the next class. Which of the following strategies would be most beneficial to all of the diverse learners in the class? A. the teacher relying on the use of everyday objects
B. the teacher using concrete examples to teach and reinforce an abstract concept
C. the teacher selecting a basic topic to reduce challenges to learners
D. the teacher appealing to students who are visual learners