Muscle that raises ribs in forceful inhalation or pulls scapula forward and downward.

Muscle that raises ribs in forceful inhalation or pulls scapula forward and downward is  pectoralis minor.

Explanation:

pectoralis minor -

The location of pectoralis minor is in the upper part of the chest ,  under the pectoralis major ,

And the combination of both pectoralis minor and pectoralis major forms the wall of the axilla.

pectoralis minor is a triangular , thin muscle.

The main function of pectoralis minor is stabilization , abduction , depression and downward rotation of the scapula.

In case of the immobilization of ribs , pectoralis minor brings the sacpula forward and when lifts up the rib cage when the scapula is fixed.

violet light has a shorter wavelength than blue light. violet light is scattered more than blue light. however, the human eye is less sensitive to violet than to blue. as a result, we perceive a blue sky instead of a violet sky.