Under a periodic inventory system:.
1. accounting records continuously disclose the amount of inventory.
2. increases in inventory resulting from purchases are debited to purchases.
3. there is no need ever for a physical count.
4. the account inventory is credited when goods are returned to vendors.

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.