1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
denis23 [38]
2 years ago
8

How effective was Jonas Salk’s initial testing of the polio vaccine?

Biology
1 answer:
leva [86]2 years ago
6 0

Answer:it was very effective.

Explanation:

According to report in America 1954, Salk conducted a national study, with over a million paediatric subjects wish yielded a positive outcome and on 12 April 1955, the vaccine was considered safe and efficacious. in 1955, the vaccines was used for over 29,000 cases of poliomyelitis in the US and the infection rate reduced to less than 6,000. This made Salk vaccine more recognized and it was speedily adopted worldwide reaching almost 90 countries in less than 2 years after it mass production.

You might be interested in
Help please....
-Dominant- [34]

Answer:

True

Explanation:

3 0
2 years ago
Read 2 more answers
If you cant prove a hypothesis, then how do scientist learn?
bearhunter [10]
Hypotheses must be provable. If scientists cannot prove a "hypothesis" right or wrong, they need to change it to a legitimate hypothesis - something you can prove.

If it is proven wrong, they can change certain aspects of it to make a more specific experiment.
5 0
2 years ago
Read 2 more answers
When disaccharide a is hydrolyzed which monosaccharide units are produced?
lina2011 [118]

Monosaccharides and disaccharides also called sugars. Have sweet taste, water-soluble. Disaccharide output of two monosaccharides are the same or different when hydrolyzed.  Monosaccharide a carbohydrate that can’t be hydrolyzed to simpler carbohydrate units.  Polysaccharides are extended polymers of monosaccharide units joined by O-glycosidic linkages. Energy storage. 

6 0
3 years ago
Read 2 more answers
Does anyone know this?
Shkiper50 [21]

you could find the answers if u look up the name of it like

4.3 powering the cell: cellu.... answer

5 0
3 years ago
The __________ nerve connects with the auditory nerve to relay information to the brain about balance.
Drupady [299]

1. The given blank can be filled with vestibular nerve.  

The vestibular nerve in humans conducts sensory information conducted by the vestibular hair cells situated in the utricle and the saccule, that is, the two otolith organs, and the three semicircular canals through the vestibular ganglion. It relays information to the brain about balance.  

2. The correct answer is option b, that is, the vestibular sense may be capable of sensory adaptation.  

The awareness of the movement and the balance of the body are controlled by the vestibular system. The vestibular senses, that is, the feelings of gravitation and movement and rotation of the body originate in the inner ear. The sense organs are the cells of the hair, which transmit signals over the auditory nerve.  


4 0
3 years ago
Read 2 more answers
Other questions:
  • Sport is to baseball as a stem cell is to 1) cancer 2) skin cell 3)blastocyst 4) animal cell
    10·1 answer
  • Which of the following are products in a neutralization reaction? Check all that apply. A. A salt B. Water C. A base D. An acid
    5·1 answer
  • Would an astronomor use x-ray tech.
    10·1 answer
  • A crime scene team has been called in to investigate a crime. The fingerprinting expert dusts the scene with a fine powder and b
    8·2 answers
  • ¿Qué relación podría existir entre la reproducción asexual en animales y plantas?
    8·1 answer
  • This food web describes feeding relationships in a tropical community if an festive PC of large snakes enters this community whi
    12·1 answer
  • (GT.02) Which of these statements is most likely correct about a weak nuclear force? (2 points) It binds electrons and protons.
    7·2 answers
  • Select the correct answer.
    8·1 answer
  • Sometimes the leaves of plants contain white patches. The cells in this part of the plant most likely cannot
    15·2 answers
  • A greater stability of the biosphere would most likely result from
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!