absorbing something is a mean of gradient for obtaining something
absorbing_through_eye is bodily_function_event. gravity_gradient is gradient. absorbing_through_skin is not biological_absorption_event. gradient_across_biological_membrane is event. absorbing_through_skin is biological_absorption_event. abundance_gradient is gradient_situation. absorbing_through_eye is not biological_absorption_event. absorbing_through_eye is biological_absorption_event. absorbing_through_eye is not bodily_function_event. abundance_gradient is not gradient_situation.