Step 1: 💧 Water and 💧 Water

Combine 💧 Water and 💧 Water to create 🌊 Lake

Step 2: 💧 Water and 🌬️ Wind

Next, combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 3: 🌍 Earth and 🌬️ Wind

Then, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 4: 💧 Water and 🌍 Earth

Now, combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 5: 💧 Water and 🔥 Fire

And then, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 6: 🌬️ Wind and 🌬️ Wind

As next step, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 7: 🌊 Wave and 🌊 Lake

Combine 🌊 Wave and 🌊 Lake to create 🌊 Tsunami

Step 8: 🌫️ Dust and 💧 Water

Combine 🌫️ Dust and 💧 Water to create 💩 Mud

Step 9: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 10: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 11: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 12: 🌊 Tsunami and 🌪️ Tornado

Combine 🌊 Tsunami and 🌪️ Tornado to create 💥 Destruction

Step 13: 🚗 Engine and 💩 Mud

Combine 🚗 Engine and 💩 Mud to create 🚜 Tractor

Step 14: 🌳 Tree and 🐊 Swamp

Combine 🌳 Tree and 🐊 Swamp to create 🌱 Mangrove

Step 15: 🚗 Engine and 🚗 Engine

Combine 🚗 Engine and 🚗 Engine to create 🚀 Rocket

Step 16: 🚜 Tractor and 💥 Destruction

Combine 🚜 Tractor and 💥 Destruction to create 🛢️ Tank

Step 17: 🚀 Rocket and 🌱 Mangrove

Combine 🚀 Rocket and 🌱 Mangrove to create 🌳 Space Tree

Step 18: 🌳 Space Tree and 🛢️ Tank

Combine 🌳 Space Tree and 🛢️ Tank to create 🌳 Tank Tree