What type of substance, if present in a victim, can be detected in the hair shaft?

A)
DNA

B)
alcohol

C)
heavy metals

D)
carbon monoxide

Which life stage is often defined by a feeling of having a set course in life and an established career?

What impact did improvements in farming technology near the end of the nineteenth century have on the american economy? a. more energy was needed to power equipment, creating the renewable energy industry. b. less labor was necessary on farms, leading workers to pursue other jobs. c. less money was invested in farming as many locally owned farms went bankrupt. d. more demand for agricultural products reduced the price of food and animal products.

Why are committees necessary in congress?