Read the map.

A map titled Physical Features of East Asia. A key shows Lowlands in green, Highlands in yellow, and mountains with brown triangles. China is surrounded by the following countries: India, Pakistan, Afghanistan, Kazakhstan, Mongolia, North Korea, South Korea, Laos, Thailand,and Bangladesh. The Yellow River is to the north and the Yangtze River is to the south in central China, the Pacific Ocean is to the east. The Himalayas are at the south and southeast border.

Which physical feature separates the Indian subcontinent from East Asia?

Orkhon River
Mekong River
Taklamakan Desert
Himalayas
plz hurry im being timed <3!