Every accepted answer
1. Name a mountain over 6,000 m tall.
Edge of Space (1000 m): Ama Dablam
Jet Stream (850 m): Shishapangma, Gasherbrum, Broad Peak, Illimani, Muztagh Ata, Kongur
Updraft (600 m): Makalu, Cho Oyu, Manaslu, Nanga Parbat, Dhaulagiri, Chimborazo, Huascaran, Ojos del Salado
Drifter (300 m): Aconcagua, Denali, Kangchenjunga, Lhotse, Annapurna
Ballast (100 m): Everest, K2
2. Name a landlocked country whose flag has blue on it.
Edge of Space (1000 m): Lesotho, Kosovo, Eswatini
Jet Stream (850 m): Central African Republic, Mongolia, Armenia, Botswana, Moldova
Updraft (600 m): Azerbaijan, Laos, Paraguay, Serbia, Slovakia
Drifter (300 m): Kazakhstan, Chad, Rwanda, South Sudan, Czechia
Decoy (150 m): Luxembourg, Andorra, Liechtenstein, San Marino
Ballast (100 m): Ethiopia, Uzbekistan, Nepal
3. Name a country in Oceania whose flag has no green.
Edge of Space (1000 m): Marshall Islands, Palau
Jet Stream (850 m): Micronesia, Tonga
Updraft (600 m): Samoa, Kiribati
Drifter (300 m): Papua New Guinea, Fiji
Decoy (150 m): Nauru, Tuvalu
Ballast (100 m): Australia, New Zealand
4. Name a country whose capital starts with L.
Edge of Space (1000 m): Slovenia (Capital: Ljubljana), Eswatini (Capital: Lobamba)
Jet Stream (850 m): Togo (Capital: Lomé), Gabon (Capital: Libreville)
Updraft (600 m): Malawi (Capital: Lilongwe), Zambia (Capital: Lusaka), Bolivia (Capital: La Paz)
Drifter (300 m): Portugal (Capital: Lisbon), Angola (Capital: Luanda)
Decoy (150 m): Luxembourg (Capital: Luxembourg)
Ballast (100 m): United Kingdom (Capital: London), Peru (Capital: Lima)
5. Name a country in Eastern Africa with more than 10 million people.
Edge of Space (1000 m): Rwanda, Burundi
Jet Stream (850 m): Somalia, Zimbabwe
Updraft (600 m): Madagascar, Malawi, Zambia
Drifter (300 m): Tanzania, Uganda, Mozambique
Ballast (100 m): Kenya, Ethiopia
6. Name a country with a South China Sea coastline (including the Gulf of Thailand).
Edge of Space (1000 m): Brunei
Jet Stream (850 m): Cambodia, Singapore
Updraft (600 m): Thailand, Malaysia
Drifter (300 m): Philippines, Vietnam
Ballast (100 m): China, Indonesia
7. Name a country that borders Afghanistan or China (not those two).
Edge of Space (1000 m): Mongolia, Bhutan
Jet Stream (850 m): Tajikistan, Laos, Turkmenistan, Kyrgyzstan
Updraft (600 m): Uzbekistan, Nepal, North Korea, Kazakhstan
Drifter (300 m): Vietnam, Iran, Myanmar
Ballast (100 m): India, Pakistan, Russia