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Why was the va economy based on the plantation system?
The rich soil of Virginia was well suited for large scale farming.
Slavery in England's North American colonies was first used on a large scale?
Slaver in England's North American Colonies was first used on a large scale in the tobacco industry of Virginia. Later on, it was discovered that cotton could be grown in the South, so slaves were then needed in the South.
What is the brightness of a star measurable by a scale called?
It is called the magnitude scale. It is a log scale.
What states had slaves but didn't leave the union during the civil war?
Missouri, Kentucky, Maryland, Delaware. Later there was the new state of West Virginia, which quit Virginia (and the Confederacy) to join the Union, although there was very little slavery in that mountain region. Also, the District of Columbia was still practising slavery in the first months of the war (on a very small scale), although slave-trading had been abolished there, as part of the Compromise of 1850.
Inventor of the beam balance scale?
The inventor of the balance scale is philipp von jolly
What number system is used to describe a quake?
There are two systems that measure earthquakes. The Richter scale measures the moment magnitude, and the Mercalli scale measures the intensity of an earthquake.
Who compiled the mercalli scale?
The mercalli scale was made by Giuseppe mercalli he was born in milan.
What is the modified Mercalli scale measure?
modified mercalli scale measure is type of seismograph that they made in the 1989
What was the modified mercalli scale reading in the Peru earthquake 2007?
the modified mercalli scale was VII-VIII
What are the disadvantages of using a mercalli scale?
It is based mostly on opinion, there is no set scale as such. To you a bridge that has fallen might be an 8 on the mercalli scale, but to somebody else it may only be a 7. Also it varies depending on the surroundings you are in e.g. urban or rural.
What is the scale earthquakes are measured on?
The Mercalli scale.
What does the mercili scale measures?
The Mercalli scale is a way of measuring the intensity of damage of an earthquake. It is based upon set criteria. This scale might be used rather than the Richter Scal because the mercalli scale is based upon the observed damages, not set scientific data.
What are the levels of earthquakes?
The two main earthquake classifications are the Ritcher and mercalli scales. The Ritcher scale measures the actual amount of energy released by the quake in a scale of 1-10. Every number in the scale is 10x stronger than the number before it. This is the kind of measurement that would be reported in the news first. Most earthquakes are recorded using this scale. The Mercalli scale rates earthquakes by the signs noticeable during the quake and the damage caused. Having plaster falling off walls, for example, would give a rating of 6 (strong). Note that this scale doesn't indicate the actual intensity of the earthquake.
What measures an earthquake's intensity based on the observed effects on people and structures?
Richter scale, Modified Mercalli scale, Centigrade scale, and the Moment Magnitude scale
What is the advantages of Richter scale and the mercalli scale?
Hi, how are you?
What are the Richter scale and the Mercalli scale?
different scales
What was the mercalli scale for the Kobe earthquake?
The Richter scale pf the Kobe earthquake is 7.2, and it corresponds to 11 on the Mercalli scale, as it measures the destruction of the earthquake.
