Straits, estuaries, and gulfs are all examples of
a landforms
b rivers
c valleys
d. bodies of water

D, a strait is a small river thing, an estuary is a body of water that streams/rivers flood into, and a gulf is a huge body of water, and is most definitely not landforms, rivers, or valleys.

It’s either d or b ! but it might be b

You could solve them by trying something new that everyone can agree on or make a decision too.