Determine whether the study depicts an observational study or an experiment?

fifty patients with colon cancer are divided into two groups. one group receives an experimental drug to fight cancer, the other a placebo. after one year, the spread of the cancer is measured.

is it observational or experimental ?

From the list below, choose all the correct statements about the functions of fat. select all that apply. select all that apply. fat provides flavor and texture to food (think ice cream) and also leaves you satisfied for longer after a meal. fat in the diet allows for the transport of vitamins a, c, and e because they are fat-soluble. lipids are an essential component of cell membranes, act as insulation under the skin, and protect organs from injury. the body can rely on carbohydrate stores during periods of low energy intake. fat is a good source of energy providing 4 kcal/g.

Which of these pieces of safety equipment should be worn when operating a chainsaw

Why was an analysis of mr. and mrs. stamos blood ordered? 04.02 components of blood