GENERAL CIRCULATION

#1. The polewards moving air piles up in the subtropical regions and forms high pressure belt at the surface, called

• ASubtropical high
• BPolar High
• CEquatorial high

#2. ______ occurs over subtropical high

• Aadvection
• Bconvection
• Csubsidence

#3. The occurrence of large deserts near 30N and 30S are due to large scale

• Asubsidence
• Bconvection
• Cadvection