In the article you read, the number of cases of paralytic polio went from about 2,500 per year in the 1950s to complete eradication in the Americas by 1994. Explain how the use of cell technology makes disease eradication possible.

Wich level of organization includes all the other levels or organizations

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit