Where do we consider the Universal Gravitational Constant?
A. Anywhere in the universe
B. Only in our solar system
C. In space, outside of a planets gravity
D. Only on earth

b.transmitters send radio waves, and receivers capture radio waves.

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation:

spectral lines lyman is one set