1.) what is this group of words?
the cats ran.
a.) a good sentence
b.) comma splice
c.) run-on
d.) fragment

2.) what is this group of words?
the giant turtle named bob.
a.) a good sentence
b.) comma splice
c.) run-on
d.) fragment

3.) what is this group of words?
rolling around in the dirt.
a.) a good sentence
b.) comma splice
c.) run-on
d.) fragment

1. A, a good sentence

2. D, fragment

3. D, fragment

Explanation:

the first sentence is a complete thought, it has a subject and a verb. Both 2 and 3 are fragments, or the beginnings of sentences.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?