Multiple choice The use of blackboard in the classroom helps in teaching learning process because the student can hear and see things at the same time the teacher draws interesting figure on the blackboard the blackboard is black and the chalk is white the student can note down things written on the blackboard Reveal answer Fill a bubble to check yourself A Correct answer Explanation The blackboard is effective because it allows students to see visual representations (writing/diagrams) while simultaneously hearing the teacher's verbal explanation. This dual-channel processing reinforces the material being taught.