IIyass
IIyass IIyass
  • 05-05-2017
  • History
contestada

Who developed the first effective vaccine against polio?

A. Jonas Salk


B. Norman Borlaug


C. Vladimir Zworykin


D. Marshall McLuhan

Respuesta :

Аноним Аноним
  • 05-05-2017
Your answer is A. Jonas Salk
Answer Link
MLPFangirl MLPFangirl
  • 05-05-2017
I believe the answer is, A, Jonas Salk. I hope this helps!
Answer Link

Otras preguntas

Chromosome 11 is made of over million base pairs. Approximately how many genes are found on chromosome 11? List the genetic disorders found on chromosome 11. D
Student test scores are kept on file for: OA. 20 years. OB.6 months. OC. 1 year. OD. 5 years.
EFFECTS OF ANTHROPOCENTRIC MODEL
What is the solid geometric shape formed by a mineral? 1) rock 2) ore 3) crystal 4) sediment
la democracia fue un sistema político que apareció en la polis de Atenas​
What is the slope of (-8,1) (6,8)
If an infinite line of current located on the z-axis has a cylindrically symmetric H field of H0a (a is the unit vector in the direction) at r = a, find: a. H a
In the article the besst of Loch Ness which is tje following wtaments best expresses a central idea of the article
(3x+2)(4x-5) foil method
2. State the relationship between Agriculture an 1 industries.​