How do you read relative humidity on a weather map?

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

Soil is made of air water organic material minerals weathered rock

After railroads, the next revolution of transportation came with the development of (a) automobile (b) telegraph (c) steam engine