Are more watermelons grown in Brazil than Antarctica?
Step-by-step reasoning:
yes
Watermelons are plants grown in climates from tropical to temperate, needing temperatures higher than about 25 °C (77 °F) to thrive.

The climate of Antarctica is the coldest on Earth.

The climate of Brazil comprises a wide range of weather conditions across a large area and varied topography, but most of the country is tropical.

.

Thus, the answer is yes