Every accepted answer
1. Name a country whose capital starts with B.
Edge of Space (1000 m): Brunei (Capital: Bandar Seri Begawan), Belize (Capital: Belmopan), Barbados (Capital: Bridgetown), Saint Kitts and Nevis (Capital: Basseterre)
Jet Stream (850 m): Lebanon (Capital: Beirut), Slovakia (Capital: Bratislava), Central African Republic (Capital: Bangui), Gambia (Capital: Banjul), Guinea-Bissau (Capital: Bissau)
Updraft (600 m): Mali (Capital: Bamako), Romania (Capital: Bucharest), Azerbaijan (Capital: Baku), Hungary (Capital: Budapest), Kyrgyzstan (Capital: Bishkek), Serbia (Capital: Belgrade), Congo (Capital: Brazzaville)
Drifter (300 m): South Africa (Capital: Bloemfontein), Colombia (Capital: Bogotá), Argentina (Capital: Buenos Aires), Iraq (Capital: Baghdad), Belgium (Capital: Brussels), Switzerland (Capital: Bern)
Ballast (100 m): China (Capital: Beijing), Brazil (Capital: Brasília), Germany (Capital: Berlin), Thailand (Capital: Bangkok)
2. Name an island country (no land borders) whose flag has no black.
Edge of Space (1000 m): Tonga, Saint Vincent and the Grenadines, Marshall Islands, Palau
Jet Stream (850 m): São Tomé and Príncipe, Samoa, Kiribati, Seychelles, Grenada, Micronesia
Updraft (600 m): Mauritius, Fiji, Comoros, Solomon Islands, Maldives, Cape Verde, Iceland
Drifter (300 m): Madagascar, Taiwan, Sri Lanka, Singapore, Bahrain, Cyprus
Decoy (150 m): Malta, Nauru, Tuvalu
Ballast (100 m): Japan, Philippines, Australia, Cuba, New Zealand
3. Name a country in Europe larger than 100,000 km².
Edge of Space (1000 m): Bulgaria, Iceland
Jet Stream (850 m): Finland, Norway, Romania, Belarus
Updraft (600 m): Ukraine, Poland, Sweden, Greece
Drifter (300 m): France, Italy, Spain
Ballast (100 m): Russia, Germany, United Kingdom
4. Name a country with a Mediterranean coastline whose flag has no green.
Edge of Space (1000 m): Montenegro
Jet Stream (850 m): Bosnia and Herzegovina, Albania, Slovenia
Updraft (600 m): Israel, Tunisia, Croatia
Drifter (300 m): Spain, Greece
Decoy (150 m): Malta, Monaco
Ballast (100 m): Egypt, Türkiye, France
5. Name a country or territory where Spanish is an official language.
Edge of Space (1000 m): Panama, Uruguay, Equatorial Guinea
Jet Stream (850 m): Paraguay, Nicaragua, El Salvador, Costa Rica
Updraft (600 m): Guatemala, Ecuador, Bolivia, Dominican Republic, Honduras, Puerto Rico
Drifter (300 m): Argentina, Peru, Chile, Cuba, Venezuela
Ballast (100 m): Mexico, Colombia, Spain
6. Name a country that borders Ethiopia or Sudan (not those two).
Edge of Space (1000 m): Djibouti
Jet Stream (850 m): Central African Republic, Eritrea
Updraft (600 m): South Sudan, Libya
Drifter (300 m): Chad, Somalia
Ballast (100 m): Egypt, Kenya
7. Name a country in Oceania where people drive on the left.
Edge of Space (1000 m): Tonga
Jet Stream (850 m): Samoa, Kiribati
Updraft (600 m): Fiji, Solomon Islands
Drifter (300 m): Papua New Guinea
Decoy (150 m): Nauru, Tuvalu
Ballast (100 m): Australia, New Zealand