What are the three main features that separate commercial farming from subsistence agriculture?

Need hurry need the answers you. which chinese city is located just to the north and west of macao and hong kong? a shanghai b pusan c beijing d guangzhou. 2. what land feature between china and mongolia? a south china sea. b yellow sea c the himalayas d the gobi

Stages 1 and 4 of the demographic transition are similar in that

When you start from a given set of rules and conditions and determine what must be true you are using blank reasoning