Answer:
It was the depresion and the roman empire nearly colapsed.
Explanation:
Scientists were interested in testing a new technique to prevent slipping on ice one group simply wore boots, while the other group wore socks over their boots.
Option: C
Explanation:
Scientist always try to bring out a new technique to solve out some problems like to prevent or avoid slipping on ice scientist followed a method that is they divide the whole group into two sub parts one having simple boots while other group having socks over boots.
In this way scientist want to watch and experiment the effect of not wearing boots and having boots with socks that affect the slipping over ice. If both the groups wore same shoes then the experiment would not work out properly. Two different techniques must be followed by the scientist.
Answer:
A
Explanation:
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Answer: A language shift
Explanation:
According to the given question, Demetrius's family immigrated from Ukraine to the united states and his parents observed that his native language is not good but he was fluent in English.
This above given scenario was exhibiting a language shift as it is the process of replacement of the language during the period of time.
It is due to the influenced from the surrounding community where the people used the English language for the communicating and interaction purpose.
The following are some causes of the language shift are as follows:
- Social factor
- Economic factor
- Values
- Demographic factor
Therefore, Language shift is the correct answer.
Answer:
He established a naval observatory for the teaching of navigation, astronomy, and cartography around 1450. From 1419 to his death, Prince Henry made many expeditions south along the west coast of Africa to secure trade routes and establish colonies.
Explanation:
