Answer:A )The Church was dependent on the princes' power.
Explanation:
In the 9th century, Christianity was introduced into the Kievan Rus. When Vladimir I became the Great Prince of Kiev in 980, Orthodox Christianity became the main religion of his country. Vladimir was forced to chose between three different religions: Islam, Christianity and Judaism. At that time, paganism was still popular, but the prince destroyed Slavic pagan gods statues. The church was dependent on the princes' power, as he himself created the Russian Orthodox Church.
Three effects of the Germanic invasions were halt on trade. Transportation of goods became unsafe. Less people were educated, and Europe no longer had one spoken language, unable to be understood by all.
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Although all of the options are important factors to determine social movility, I beleive that one amongst them has more impact. Social class at birth makes a significant difference. It is like a stating point in life, some people start with some advantages (like being born in a wealthy and educated family) and other with disadvantages (being born in a poor family with no access to education).
Although race or ethnicity and gender are important too, they can have a stronger or weaker impact depending of your social class. A person that forms part of a minority, for example, african american, will have a very different life depending on the economic situation of the family.
It is true that hard work and education is also needed but, again, social class can lead you to a more familiar and direct contact with them.
Answer:
The attitude follow behavior principal.
Explanation:
The lens is convex lens.
A convex lens is likewise called converging lens as it converges parallel beam of mild on a factor referred to as focal point. The convex lens is a lens that converges rays of mild that carry parallel to its important axis (i.e. converges the incident rays towards the foremost axis) that's rather thick throughout the center and thin at the lower and higher edges. the edges are curved outward rather than inward.
Convex lenses are used in microscopes, magnifying glasses and eyeglasses. they may be also used within the cameras to create actual images of items present at a distance. the character of the photographs relies upon on the manner those lenses are used.
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