Yeah, it is the most widely accepted theory about the origin of Universe. If you are interested in it, I will suggest reading “A Brief History of Time”, by Stephen Hawking.
The coolest layer is the crust. The crust is on the surface of the earth (where we are) . Inner Core
Formation of groundwater i think
Answer: D.) to maintain records etc...
Explanation: Edge2020
Answer:
The distance from bethlehem to sudan is 2,155 km.
But here we have speed in meter per hour that is 100mph
So, T = D/S
T = 2,155/100
T = 21.55 hrs