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
statuscvo [17]
2 years ago
15

How long was the development process of the machine for crushing stone

History
1 answer:
Alex17521 [72]2 years ago
6 0

Answer:

Well based on the fact that the very first patented rock crushing machine was made in the year 1830, and the first successful, Eli Whitney Blake's, was in 1858, I'd say the development process was around 30 years.

You might be interested in
Which of the following federal law enforcement agencies does not operate under the Department of the Treasury?
DanielleElmas [232]
Your answer is B.) The Drug Enforcement Agency (DEA)
4 0
3 years ago
Congress is bicameral because the
ser-zykov [4K]
C. framers sought a compromise on the issue of state representation in congress
7 0
3 years ago
Read 2 more answers
What was Peter the Hermit's contribution to the early Crusades? He pulled together a makeshift army of peasants and soldiers and
Arlecino [84]
Peter the Hermit was an attentive listener to Pope Urban II's cries and begged that people have to rescue the Holy Sepulchre. He was a monk and was part of the holy men in the audience. Because he was so stirred with the speech of Pope Urban II, he began preaching to men, women, and children in favor of war against the Turks. 

He was able to gather many people and that started the Crusade. Alongside other leaders, he led one side of the troop and began the march. People waged to rescue Jerusalem from the Mohammedans. Therefore, the answer to this item is the first choice. 
3 0
4 years ago
How did Martin Luther King Jr impact America
Shtirlitz [24]

Answer:

Martin Luther King Jr. was the most important voice of the American civil rights movement, which worked for equal rights for all. ... King was also a Baptist minister. He was assassinated in Memphis, Tennessee, when he was just 39 years old.was a well-known civil rights activist who had a great deal of influence on American society in the 1950s and 1960s. His strong belief in nonviolent protest helped set the tone of the movement. Boycotts, protests and marches were eventually effective, and much legislation was passed against racial discrimination.Martin Luther King, Jr., was a Baptist minister and social rights activist in the United States in the 1950s and '60s. He was a leader of the American civil rights movement. He organized a number of peaceful protests as head of the Southern Christian Leadership Conference, including the March on Washington in 1963.Even until the day he was killed, King never allowed fear to triumph. He unified people together under a common goal. Today, you won't find Black people and white people forced to sit in separate sections on a bus or drink from separate water fountains in a public space.

Explanation:

6 0
3 years ago
What is the significance of only one person of color in Night of the living<br> dead?
solniwko [45]

Answer:

As originally written, Ben was a resourceful but rough and ... Perhaps 'Night of the Living Dead' is the first film to have a black man playing the ... Jones also contributed what proved to be an important component in perfect

Explanation:

8 0
3 years ago
Other questions:
  • What was the main effect of the Civil War on the women's movement?
    5·2 answers
  • Help with answer to question
    13·1 answer
  • How were colonists able to support local businesses and communicate
    8·1 answer
  • What was the alien act?
    12·2 answers
  • Many cities in the American Midwest were near coal mines and connected by railroads. Which of the following best describes the r
    11·2 answers
  • Why did japan launch a surprise attack against the united states​
    7·1 answer
  • According to johnson, the primary goal of goverment is to
    5·1 answer
  • Which house of Congress gives small and large states equal representation​
    14·1 answer
  • ¿a ver si se saben esto que tipo es jirachi pregunta seria
    13·1 answer
  • What is an interest group?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!