Two is is the answer, it is incorrect, so in this case it is not scientifically correct because it more of a opinion, not a thing you based on and provide proof for from a scientific experiment.
The correct layer is "<span>there is an additional third oblique layer of smooth muscle".
The muscularis externa of the stomach is purely smooth muscle (no skeletal muscles or other striated muscles) composed of three layers; inner oblique, middle circular, and external longitudinal layers. Plicae circularis can only be found in the intestines, not in the stomach.</span>
The first land plants appeared around 470 million years ago, during the Ordovician period, when life was diversifying rapidly. They were non-vascular plants, like mosses and liverworts, that didn't have deep roots
B. The bases in DNA in the nucleus. The way our nitrogenous bases are arranged in DNA (A, T, C, and G) code for traits.
