Step 1: 💧 Water and 🔥 Fire

Combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 2: 🌍 Earth and 🌍 Earth

Next, combine 🌍 Earth and 🌍 Earth to create 🏔️ Mountain

Step 3: 🔥 Fire and 🔥 Fire

Then, combine 🔥 Fire and 🔥 Fire to create 🌋 Volcano

Step 4: 💧 Water and 💧 Water

Now, combine 💧 Water and 💧 Water to create 🌊 Lake

Step 5: 💨 Steam and 🔥 Fire

And then, combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 6: 🌍 Earth and 🌬️ Wind

As next step, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 7: 🏔️ Mountain and 🌊 Lake

Combine 🏔️ Mountain and 🌊 Lake to create 🏞️ Fjord

Step 8: 🌋 Volcano and 🌊 Lake

Combine 🌋 Volcano and 🌊 Lake to create 🏝️ Island

Step 9: 🚗 Engine and 🌊 Lake

Combine 🚗 Engine and 🌊 Lake to create 🚤 Boat

Step 10: 🚗 Engine and 🌫️ Dust

Combine 🚗 Engine and 🌫️ Dust to create 🧹 Vacuum

Step 11: 🌫️ Dust and 🌬️ Wind

Combine 🌫️ Dust and 🌬️ Wind to create 🌪️ Sandstorm

Step 12: 🏝️ Island and 🏞️ Fjord

Combine 🏝️ Island and 🏞️ Fjord to create 🇮🇸 Iceland

Step 13: 🧹 Vacuum and 🚤 Boat

Combine 🧹 Vacuum and 🚤 Boat to create 🌊 Hoover Dam

Step 14: 🇮🇸 Iceland and 🌪️ Sandstorm

Combine 🇮🇸 Iceland and 🌪️ Sandstorm to create 🇬🇱 Greenland

Step 15: 🇬🇱 Greenland and 🌊 Hoover Dam

Combine 🇬🇱 Greenland and 🌊 Hoover Dam to create 🚫🌳 Green Dam