Current location - Training Enrollment Network - Mathematics courses - Seventh grade science classroom exercise book AB answer.
Seventh grade science classroom exercise book AB answer.
1 multiple choice ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB ABB AB The tone color of air and water refracts and reflects together 1800 (painting by yourself) III. The experiment explores why the right plane 15 feels that the lower body and the upper body are separated, because of the refraction multiple relationship of light (draw it yourself).