Step 1: Geography.
Antarctica is a vast white landscape, covered with ice and snow.
Step 2: Climate.
It is extremely cold, dry, and windy, with harsh conditions.
Step 3: Life forms.
Only simple organisms like lichens, mosses, seals, and penguins survive there.
Step 4: Conclusion.
Antarctica is pristine, untouched by modern civilization, making it a natural laboratory.
Final Answer: \[ \boxed{\text{Antarctica is the coldest, driest, and most pristine continent with minimal life.}} \]