Bills are introduced in the senate by
a. the rules committee.
b. individual senators.
c. investigative committees.
d. the majority floor leader.

They are introduced by indivisual senators

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.