Answer:
The type of sampling used in Jankowski's study of gangs is Option D. Stratified sampling.
Explanation:
With stratified sampling, the researcher will partition the population into different groups, usually based on some characteristic that is common to that group. In this case, it was the different kinds of gang membership. Then, the researcher will take a sample of people within each specific group using another sampling method like simple random sampling for instance. The groups that are used in stratified sampling are called strata. Another example would be a national survey that is divided into strata of the different major ethnic groups that comprise the national population.
Answer is C as other answers are illogical, Sultanate is islamic/muslim and Delhi was in northern India so.
United Kingdom is surrounded with bodies of water; thus, it is easier for them to trade with people from different countries all over the world. Ships carrying various goods from different parts of the world would dock in UK ports and trade their goods for the goods found in UK. People living in UK has livelihoods that are depended on land (farming) and water (fishing).
Since UK is surrounded by bodies of water, it enjoys a milder climate compared with Russia.
Russia, on the otherhand, occupies some parts of Europe and Asia. But, Russians can not maximize the use of their land area since there are parts of Russia wherein there are permanently frozen land. Russia is also bordered by 15 countries with no access to waterways, making trading difficult but possible.
Most Russians live in the European part of the country because it has a better weather condition and trade among neighbouring countries can easily be done.