The speed of light in a vacuum is 2.998×108 m/s. How many mins will it take the particle to travel 4.40x1011 Pm, which is the distance from Earth to the edge of the observable universe

Texture and composition are different because they are not the same aspect. texture has to do with feel and so on, where as composition is the chemical makeup which you cant touch like you can texture.

Ibelieve the answer is b

If its history of, then b) because a) implies only present day (now)

Answer ( slope);