1. Look! Your baby is climing up the couch.
2. You see your baby. She is climing up the couch.
In sentence 2, is it natural to use "see"?
3. If you go for a walk by the river, you can look at the beautiful scenery.
4. If you go for a walk by the river, you can see the beautiful scenery.
In sentence 3 & 4, are they both natural?
I'm not a teacher of English, but I have spoken it for (almost) all of my life....