It is all in the text. I'll answer 5 questions.
1 The Himalayas are a mountain range of mountains in Asia.
2. relatively flat (there weren't mountains)
4. The movement of china eastward and India northward also resulted from the same cause as the Himalayas.
5. Eurasian plate forces the Himalayas to grow still at a rate of 1 centimeter a year
6. Right now Mt. Everest is 29,029 feet in a million years it would add about 28,735 more feet almost doubling the height at the highest point.