The correct answer in this case is that A - They all had agricultural economies.
The reason why this is so is because having a big civilization brings a demand for a lot of food with it. This is something all of the civilizations shared between each other. All of them were big and required a lot of food to be able to sustain themselves - and supplying a civilization with big amounts of food was most easily done by agriculture.
Democracies are when a person is allowed to participate politically by exerting their citizen powers. political parties allow the voters to chose in what way they want the government to be headed based on campaigns that the democratic or republican (as well as other parties) put out into the media
Answer:
Without industry, there is nothing. If a country has no industry, people will starve, freeze, or otherwise die from completely preventable causes—and quite fast too. It will be worse than the prehistoric era, where no industry enjoyed the level of technology we have today...Explanation:
Answer:
C
Explanation:
One way analysis of variance (one-way ANOVA) design experiment is used in an experiment where there is only one factor. One-way ANOVA experimental design helps to reduce the effect of extraneous factors using a rigorously controlled design and completely randomized experimental design However, good results require that experiments be carefully designed and executed.
This is not true one-way ANOVA experimental design that In any design, if the conclusion is that the differences among the means are significant, the differences are explained by the factor used
Answer:
Fujita Scale (or F Scale) of tornado damage intensity. The F Scale was developed based on damage intensity and not wind speed; wind speed ranges given are estimated, based on the extent of observed damage.