Step 1: 💧 Water and 💧 Water

Combine 💧 Water and 💧 Water to create 🌊 Lake

Step 2: 💧 Water and 🔥 Fire

Next, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 3: 🌬️ Wind and 🌬️ Wind

Then, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

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: 🌊 Lake and 🌊 Lake

As next step, combine 🌊 Lake and 🌊 Lake to create 🌊 Ocean

Step 7: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 8: 💨 Steam and 🌱 Plant

Combine 💨 Steam and 🌱 Plant to create 🍵 Tea

Step 9: 🌫️ Dust and 🌍 Earth

Combine 🌫️ Dust and 🌍 Earth to create 🪐 Planet

Step 10: 🌪️ Tornado and 🌫️ Dust

Combine 🌪️ Tornado and 🌫️ Dust to create 🌪️ Dust Storm

Step 11: 🌫️ Dust and 🌱 Plant

Combine 🌫️ Dust and 🌱 Plant to create 🌱 Pollen

Step 12: 🌳 Tree and 🌊 Ocean

Combine 🌳 Tree and 🌊 Ocean to create 🐠 Coral

Step 13: 🍵 Tea and 🌬️ Wind

Combine 🍵 Tea and 🌬️ Wind to create 🪁 Kite

Step 14: 🌪️ Dust Storm and 🪐 Planet

Combine 🌪️ Dust Storm and 🪐 Planet to create 🪐 Mars

Step 15: 🐠 Coral and 🌱 Pollen

Combine 🐠 Coral and 🌱 Pollen to create 🐠 Coral Reef

Step 16: 🪐 Mars and 🪁 Kite

Combine 🪐 Mars and 🪁 Kite to create 🛰️ Mars Rover

Step 17: 🛰️ Mars Rover and 🐠 Coral Reef

Combine 🛰️ Mars Rover and 🐠 Coral Reef to create 🌌 Mars Coral