The answer is D as the girl or dude said on the top.
The correct answer is D) all of the above.
Seven Rivers was located along the Goodnight-Loving cattle trail, was a cowboy hideout, and had no mail, no railroad, and no stage.
Seven Rivers was considered a Ghost town in New Mexico, located in the middle of to other towns, Artesia and Carlsbad. Oral stories said that an outlaw gang called the "7 Rivers Warriors" hide in this ghost town. In the 1860s, cattle drives used the Goodnight-Loving cattle trail to move cattle from Fort Belknap, Texas to Fort Sumner, Colorado.
I think it is the cell membrane, but there is a possibility it is the cell wall. I think the cell membrane is correct because the skin does allow certain things into your skin cells, such as water. Similarly, cell membranes allow certain things in the cell. The cell membrane basically acts as the security guard of the cell.
