This math problem requires finding out what the base of the logarithm is.

The Steller's sea cow was a large marine mammal that once lived in the North Pacific.

The sea breeze feels comfortable.

Umi is my best friend.

He found the sea on an old map.

He found the sea on an old map.

I love swimming at the seashore.

I often go to the sea on weekends.

The bottom sediment of this lake is mainly composed of sand and mud.

This sea area is rich in diversity of benthic organisms.