the answer is a. i learned this in biology
the correct answer would be d.) marcelo malpighi
marcelo malpighi was an anatomy professor who described the fingerprint ridges, loops, and spirals in his work.
in fact, a 1.8 mm thick layer of skin was named after him as "malphigi" layer.
a friction ridge refers to the raised portion of epidermis fingers, toes, palm, and sole of the foot.
the recovery of fingerprints from a crime scene plays important role in forensic science.
examples of products that contain carrageenan are dog food, chocolate, toothpaste and baby food. alginate comes from brown algae and is used to make water-based products thicker or creamier. ranch dressing, heartburn relief medicine and hand creams all can contain alginate.
*carrageenans or carrageenins are a family of linear sulfated polysaccharides that are extracted from red edible seaweeds. they are widely used in the food industry, for their gelling, thickening, and stabilizing properties. (wiki)