Because light can travel through space, it cannot be a wave

PLEASE ANSWER !!

Sound

Explanation:

Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.

Matter Wave

Explanation:

When light shines in an object,it is reflected absorbed or transmitted through the object depending on the objects material and the frequency (color) of the light... However, because light can travel through space it cannot be a matter Wave, like sound or water waves

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

what bodys are there orbiting?