Just use grammarly it’s free & it’ll correct it for you & make any chances needed
It would be a to insert a space
It should be D They introduce my supporting details since when your writing your body paragraphs you use supporting details to make the paragraphs so yeah...
Hope this helps
~Cupkake
The cell wall is the structure that surrounds the cytoplasm and gives the cell its shape. It forms the outer boundary of the cell and encloses the cytoplasm within.This cell membrane is made up of protein and sugar molecules known as polysaccharides. The cell membrane or cell wall also serves to protect the cell from the environment around it.
Answer:
The page number would be 15