The answer to that question is True!
The crisis of the Roman Catholic Church was the rise of the Protestants. The movement initiated by these people is called "Reformation" which was led by Martin Luther and was continued by John Calvin and others. The movement aims to "reform the Catholic Church, mainly its religious forms." This became a threat to the absolute power of the Church.
Answer: Clouds at higher and extremely cold levels in the atmosphere are composed of ice crystals
Explanation:
The main reason for using a factorial design instead of separate experiments (with one iv per experiment) is to find an interaction between the independent variables.
Factorial designs allows the effect of a factor to be estimated at several levels of the other factors, giving conclusions that are valid over a range of experimental conditions. It is necessary when interactions are present to avoid misleading conclusions and it is more efficient than the 1-factor.
Interactions are measured as the mean of the differences between simple effects. So, in such experiments we study the individual effects of each factors and their interactions. And in factorial experiments a wide range of factors are used.
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