Answer:
Metal is a good conductor of heat but air is a poor conductor of heat.
Explanation:
Touching the metal sides of the oven can be harmful while holding our hand briefly in the oven air is okay. This tells us about the relative conductivities of metal and air <em>that metal is a good conductor of heat but air is a poor conductor of heat</em>. Conduction is the transference of heat through physical contact. Not all materials conduct heat in the same way. The best conductors of heat are metals and stone.
The cause of unemployment in many countries is competition in the labor market. There are few employment opportunities. It leads to a situation where every available opportunity, there are more than one qualified individual. The effect is that it causes social and economic effects. The poverty index among the unemployed is high since some people do not have a source of income.
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Answer:
13.4% of the Russian population lived below subsistence levels, and though this number has improved, the poverty level in Russia is still very high. In fact, the Accounting Chamber predicts that by 2019 there will be about 20.4 million people, in Russia, living below the poverty line.
The question is incomplete and the full version can be found online.
Answer: Independent Samples t-test
Explanation:
The independent samples t test, also called an unpaired samples t test, is used to compare two sets of data from samples that are independent.
This experiment compares two sets of data, the grades from the group of learners that took the course in the old format and the group that took it in the new format, to see if the grades differ depending on the format of the course.
The one sample t test wouldn´t be correct because it´s used to compare one result with an expected value. And the paired t test wouldn´t be correct because it´s used to compare related observations, such as test scores from a test taken at different hours of the day.
The oldest political party in the US is the democratic party and in some ways it's also the oldest political party in the World. It was founded in 1828 and Andrew Jackson was the first president of the party in 1830s. It became more left-wing with time in terms of social and economical issues.
