Answer:
An extraneous variable is eliminated, for example, if background noise that might reduce the audibility of speech is removed as Unknown extraneous variables can be controlled by randomization.
The adrenal gland is the gland that produces hormones that cause you to feel frightened during a horror movie. The hormones you feel is called adrenaline.
Answer: Stabilization selection
Explanation:
Natural selection involves the differential survival and growth of organisms which have suitable traits to survive in unfavorable or adverse environment. Such traits are passed on to the next generation. Stabilization selection is a type of natural selection in which the nature selects the non-extreme phenotypic traits. Middle traits are selected and such organisms grow and reproduce. Example can be given that of human babies in which babies with low weight lose more heat and babies with high weight are difficult to be delivered from the pelvis. Therefore, babies with middle weight are expected to survive more than that of low or middle weight.
The type of carbohydrate which aids in removal of waste are dietary fibers, complex type of carbohydrate. During processing, food with complex carbs such as wheat or kernel retain its nutrients. These food types are slowly digested throughout the body. Their high nutrient content helps in digestion while preventing gut-associated discomforts, and allows smooth removal of waste as well as other toxins.
