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

What is the role of DNA helicase during DNA replication?
How the combination of electrons, protons ans neutrons results in the neutral charge of an atom?
A group of similar cells that perform a single function is called a(an) a. nerve. c. tissue. b. organ. d. organ system.
A chef cooked seven kilograms of mashed potatoes for a dinner party. If the guests only ate three-quarters of the amount he cooked, how much did they eat?......
What is another word for cytosol
if x equals 8-(-2.25) and y equals 6-4.2-(-4.9) what is the value of x-y
Tickets to a museum cost $17 each. For a field trip, the museum offers a $4 discount on each ticket. How much will tickets for 32 students cost?
how can the distributive property be used to find 4 x 875? draw an array.
What is 3 square root -27/64
A star at the end of its life-cycle, composed of mostly carbon, is a A. nova. B. giant. C. red dwarf. D. white dwarf.