In denim fabric what do you call the yarn that runs vertically

Atrough in the business cycle occurs when

The purpose of the transportation approach for location analysis is to minimize which of the following? a. total costsb. total fixed costsc. the number of shipmentsd. total shipping costse. total variable costs

Scientists developed the first successful human cell culture in vitro (grown in a lab) in the 1950s by removing cancer cells from a woman. this concept has allowed modern scientists to successfully grow organs. which of the following answers  bestdetermines why there was success?   neurons send a signal to the cell to multiply.a large blood supply to the cell allows enough nutrients for growth.cells are the basic unit of life and thus can regenerate if in a controlled environment.cells cannot reproduce on their own, and the scientist manipulates them to grow.