Question

Salt marshes, such as the one on the cape hatteras national seashore in north carolina, have a salinity that ranges from 18 to 30 ppt. where does the salt come from?

• a. migratory birds
• b. ocean tides
• с. human intervention
• d. salt-tolerant grasses

Answer 1

The salt in salt marshes comes from the ocean tides.

Step-by-step explanation:

Salt marshes have a salinity that ranges from 18 to 30 ppt. The salt in salt marshes comes from the ocean tides. Once or twice a day, high tides bring salt water into the estuary, while low tides reverse the current of salt water.