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List four new inventions designs or ideas of the 1780s.?
1780: Bifocal glasses were invented by Benjamin Franklin 1783: invention of the hot air balloon 1784: the safety lock is invented by Joseph Bramah 1785: invention of a parachute by Blanchard
What were Four inventions of the agricultural revolution included?
Scythe horse drawn hoe horse drawn seed drill plough
What are some simple inventions that haven't been invented that I could make in four days?
Thousands of inventions surface daily, most are never entertained for mass production. A simple invention that could be done in just four days is a cell phone application to read the tone of your voice and select the right song to play for that particular mood.
Design a combinational circuit with four inputs and output. The output is equal to 1 when a.first and last input are alike b.Odd number of input are equal to 1?
here i vil the equation for that design dat u implement with the gates. This Anser is for only Q(a) The euation is a bar.d bar+a.b bar.d+a.c.d
What are the elements of good experimental design?
builds on previous research-describes all steps in procedure clearly and completely-describes all data to be collected-keeps all variables, except the one being tested, the same-includes a control (or placebo) for comparison -uses an appropriate group of subjects-may include a large sample size-may include multiple trials-can be reproduced by other investigators to give -similar results-respects human and animal subjects*Elements may vary, depending on the problem being studiedThe five components of experimental design are:-Independent Variable-Dependent Variable-Constant Variables-Control group-Number of Repeated TrialsGood Experimental Design is Simple;1. simple in Concept ( no complex ideas)2. simple in execution (not complex to do)3. simple to replicate (repeat by others)4. simplest complete result.
List four new inventions designs or ideas of the 1780s.?
1780: Bifocal glasses were invented by Benjamin Franklin 1783: invention of the hot air balloon 1784: the safety lock is invented by Joseph Bramah 1785: invention of a parachute by Blanchard
Trade and commerce between civilizations helped to?
I think all four: Exchange new ideas Spread languages Share new inventions Make people rich
Trade and commerce between civilizations helped to what?
I think all four: Exchange new ideas Spread languages Share new inventions Make people rich
1780 what state only lasted four years?
Franklin
What are 4 inventions that were made in china?
"Four Great Inventions:"GunpowderPaperPrintingCompassOthers:ForkBank notes (paper currency)CoffinCast IronIncenseBell
What were the four inventions of the Han dynasty?
kite crossbow compass paper
What are considered the four great inventions of china?
papermaking, compass, gunpowder, and printing
What were four helpful inventions in the americam history?
Among many inventions that have helped the US, a few stand out as "remarkable". The four are:* telephone * airplane * phonograph and * motion picturesOther views exist of course. The question requires a subjective answer.
What are 4 inventions from 1400 to 1500?
There are many inventions. Just four of them (randomly) are: 1445-printing press 1485 parachute 1495 toothbrush 1500 flushing toilets
What four ideas are still in your government there were part of the purtian lifestyle?
the four ideas are food,water,shelter and finding land for the children
What were great ancient Chinese inventions?
The four most imortant was the compass, gunpowder, papermaking and printing.
What are four inventions that occuured during the civil war?
Submaries, telograughs, the gatling gun, railroads
