Mary sold fossils at the beach.
Mary sold fossils at the beach because/but/so...
I was really hungry
I was really hungry because/but/so...
The test was hard, but...
The test was hard, but...
There was a banana peel on the ground, so...
There was a banana peel on the ground, so...
My favorite color is green...
My favorite color is green because/but/so...
Paleontologists use tools to discover fossils
Paleontologists use tools to discover fossils because/but/so
Mary discovered a sea monster fossil
Mary discovered a sea monster fossil because/but/so
Cass got an award
Cass got an award because/but/so
The snowman melted so...
The snowman melted so...
I forgot my backpack, so...
I forgot my backpack, so...
The school was flooded...
The school was flooded because/but/so
My uncle visited.
My uncle visited because/but/so...