Step 1: 💧 Water and 🌬️ Wind

Combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 2: 💧 Water and 💧 Water

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

Step 3: 🔥 Fire and 🔥 Fire

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

Step 4: 💧 Water and 🌍 Earth

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

Step 5: 🌍 Earth and 🌬️ Wind

And then, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 6: 🌊 Wave and 🌱 Plant

As next step, combine 🌊 Wave and 🌱 Plant to create 🌊 Seaweed

Step 7: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 8: 💧 Water and 🔥 Fire

Combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 9: 🌫️ Dust and 🌍 Earth

Combine 🌫️ Dust and 🌍 Earth to create 🪐 Planet

Step 10: 🌊 Lake and 🌊 Lake

Combine 🌊 Lake and 🌊 Lake to create 🌊 Ocean

Step 11: 🌋 Volcano and 🌫️ Dust

Combine 🌋 Volcano and 🌫️ Dust to create 🌋 Ash

Step 12: 🌫️ Dust and 🌱 Plant

Combine 🌫️ Dust and 🌱 Plant to create 🌱 Pollen

Step 13: 🚗 Engine and 🌊 Seaweed

Combine 🚗 Engine and 🌊 Seaweed to create 🚤 Submarine

Step 14: 🪐 Planet and 💨 Steam

Combine 🪐 Planet and 💨 Steam to create 🕯️ Steampunk

Step 15: 🌊 Ocean and 🌊 Ocean

Combine 🌊 Ocean and 🌊 Ocean to create 🌊 Sea

Step 16: 🌱 Pollen and 🌋 Ash

Combine 🌱 Pollen and 🌋 Ash to create 🤧 Cough

Step 17: 🕯️ Steampunk and 🚤 Submarine

Combine 🕯️ Steampunk and 🚤 Submarine to create 🐚 Nautilus

Step 18: 🤧 Cough and 🌊 Sea

Combine 🤧 Cough and 🌊 Sea to create 🤢 Seasick

Step 19: 🤢 Seasick and 🐚 Nautilus

Combine 🤢 Seasick and 🐚 Nautilus to create 🤢 Nausea