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
asambeis [7]
3 years ago
6

Who developed the polio vaccine

History
2 answers:
Setler [38]3 years ago
7 0
Dr.Jonas Salk developed the polio vaccine
erastovalidia [21]3 years ago
5 0
Dr jonas salk made it
You might be interested in
Drag each tile to the correct location.
Brrunno [24]

The correct matches are the following.

North.

-Led Reconstruction after the Civil War had ended.

-Developed the transcontinental railroad to boost Industrial growth.

South.

-Suffered huge losses in terms of property, railroads, and manpower.

-Faced economic failures that made its money and banks.

The Civil War started in April 1861 and ended in April 1865.

Abraham Lincoln won the elections and became President of the United States. The Southern states knew that this would be its worst nightmare. They did not support abolition because their economies depended too much on slavery. The states that seceded were South Carolina, Alabama, Mississippi, Florida, Louisiana, Georgia, and Texas. They formed the Confederate States and the War began.

After the war, the northern states became very industrialized, meanwhile in the South, Lincoln first, and then President Jackson initiated the Reconstruction period to try to help the South that resulted in much damage and losses.

6 0
3 years ago
What is the name of a device used to measure the transfer of heat from one object to another?
MA_775_DIABLO [31]
Thermal energy i think im not dure
5 0
3 years ago
Read 2 more answers
Why did the Romans want to extend the boundaries of their territory to the Alps?
77julia77 [94]

Answer:

2. The Alps were a mountain range that provided a natural barrier to invasion

Explanation:

The information in the answer is correct and all the others are not. This however, is not the only answer. Roman expansion and empiricism was influenced by the principal Roman ideals for conquest.

7 0
2 years ago
Which statement best represents a proper hypothesis?
NARA [144]

Answer:

D. If different types of leaves are exposed to low temperatures, then they will change colors.

Explanation:

This is true but in a hypothesis, it doesn't matter what is true or not, but this sentence totally says that that is true. IT IS SAYING IT BOLDLY. That is why I think this sentence is the most proper hypothesis here.

But, don't think that I only THINK that option is true, it is actually true.

Thanks, please mark me Brainliest!

Have a great day Studying!

5 0
3 years ago
What would life be like if you lived in a dark
serious [3.7K]

we pretty much do already

4 0
2 years ago
Other questions:
  • Which war resulted in territorial gains for the United States that caused sectional conflict in the years leading up to the Civi
    6·2 answers
  • How did Montesquieu ideas influence the government of the United States
    12·1 answer
  • Which of the following accurately describes an important effect of the Columbian Exchange on indigenous peoples in the Americas?
    5·2 answers
  • Where was the first insane asylum founded?
    6·1 answer
  • Historians ask questions that are rooted in a particular_____and_____
    12·1 answer
  • Can someone give me a good answer for this one who ever gives me a good answer I will give you more points
    7·1 answer
  • Who was the owner of the New York Journal
    15·2 answers
  • Darren told me about his travels to
    14·1 answer
  • According to the passage, the effect of mining wealth was ____.
    5·1 answer
  • 2) Did the strike succeed in getting laborers the changes they wanted in working conditions, explain?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!