Which of the following are saltwater wetlands?

Estuaries are saltwater or brackish wetlands where rivers meet the sea and fresh and salt water mix.

Ponds are small freshwater bodies, not saltwater wetlands.

Bogs are freshwater peat-forming wetlands fed mainly by rain.

Freshwater lakes by definition contain fresh, not salt, water.

The mixing of tides and river flow makes estuaries highly productive nurseries.

Mangroves often fringe tropical estuaries and buffer the coast.