Is there any problems with my sentence below

[dut_thinker]

Is there any problems with the following sentence?

Estuaries, where rivers meet the sea, are a valuable natural resource that provide diverse uses for human beings.

Thank you in advance!

[Calis]

It's perfect. I can't see anything wrong with it.

[Not a teacher]

[Gillnetter]

Is Are there any problems with the following sentence?

Estuaries, where rivers meet the sea, are a valuable natural resources that provide diverse uses for human beings.

Thank you in advance!

Estuaries is a plural word. Because estuaries is plural, they cannot be referred to as "a natural resource", they must be referred to as "natural resources".

[dut_thinker]

It's perfect. I can't see anything wrong with it.

[Not a teacher]

Thank you for your help.

[dut_thinker]

Estuaries is a plural word. Because estuaries is plural, they cannot be referred to as "a natural resource", they must be referred to as "natural resources".

Thank you for your help.