Although the Himalaya Mountains Are Still Growing Today, Eventually (Regardless

Multiple Choice

Although the Himalaya Mountains are still growing today, eventually (regardless of whether the collision between the Australian-Indian plate and the Eurasian plate continues or not) the mountain will stop growing. Why is that?

A) Meteorite impacts.
B) Gravitational anomalies.
C) Isostatic adjustment.
D) Solar radiation eroding the top of the mountain.