How much work is required to pull a sled 5 meters if you use 50N of force?

Wich level of organization includes all the other levels or organizations

How are mitosis and meiosis similar?

According to the article, what valid claim came from the national research council? there is no association between fluoride exposure and increased cancer risk in humans. there is a possible link between fluoride exposure and increased cancer risk in humans. there is a definite link between fluoride exposure and increased cancer risk in humans.