geographic envelope

Deductions

• geographic envelope has part object ⇐ (Earth's surface is a object), (geographic envelope has part Earth's surface)
• geographic envelope has part physical surface ⇐ (Earth's surface is a physical surface), (geographic envelope has part Earth's surface)
• geographic envelope has part planetary surface ⇐ (Earth's surface is a planetary surface), (geographic envelope has part Earth's surface)
• geographic envelope is for example hydrosphere ⇐ (hydrosphere is a geographic envelope), (is a is inverse of is for example)
• geographic envelope is for example biosphere ⇐ (biosphere is a geographic envelope), (is a is inverse of is for example)
• geographic envelope is for example technosphere ⇐ (technosphere is a geographic envelope), (is a is inverse of is for example)