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: 💧 Water and 🌍 Earth

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

Step 4: 🌊 Wave and 🌊 Lake

Now, combine 🌊 Wave and 🌊 Lake to create 🌊 Tsunami

Step 5: 🌫️ Dust and 🌍 Earth

And then, combine 🌫️ Dust and 🌍 Earth to create 🪐 Planet

Step 6: 🌊 Wave and 🌱 Plant

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

Step 7: 🌫️ Dust and 💧 Water

Combine 🌫️ Dust and 💧 Water to create 💩 Mud

Step 8: 🌍 Earth and 🌬️ Wind

Combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 9: 🌫️ Dust and 🌱 Plant

Combine 🌫️ Dust and 🌱 Plant to create 🌱 Pollen

Step 10: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 11: 🪐 Planet and 🌊 Tsunami

Combine 🪐 Planet and 🌊 Tsunami to create 🌋 Earthquake

Step 12: 💩 Mud and 🌊 Seaweed

Combine 💩 Mud and 🌊 Seaweed to create 🌿 Mudweed

Step 13: 🌱 Pollen and 🌫️ Dust

Combine 🌱 Pollen and 🌫️ Dust to create 🤧 Allergy

Step 14: 🌋 Earthquake and 🐊 Swamp

Combine 🌋 Earthquake and 🐊 Swamp to create 🌋 Sinkhole

Step 15: 🤧 Allergy and 🌿 Mudweed

Combine 🤧 Allergy and 🌿 Mudweed to create 🌼 Sneezeweed

Step 16: 🌼 Sneezeweed and 🌋 Sinkhole

Combine 🌼 Sneezeweed and 🌋 Sinkhole to create 🌿 Sinkweed