Ahorse travels 80 meters south in 20 seconds. what is its average velocity? a. 4 m/s b. 0.25 m/s c. 4 m/s south d. 0.25 m/s south

The mantle is made up of which structural zones?

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.