Answer:
C - the survey respondens tended to be from a homogeneous social background and therefore not representative of the nation as a whole.
Explanation:
If C were true, it would invalidate both the survey and and the conclusion as if the group were homeogenous and only represented one social group (background), the options would not be varied and only indicitive of that group.
Most of immigrants came from Europe because the economic condidtions on the contitent, transition from agriculture to industry, famine, overpopulation and so on. When the US closed the west frontier, immigrants were looking for new territories and they decided to go north. Yukon gold rush in Canada, new railways all contributed to the increase of immigration to Canada and northern territories.
REM (Rapid Eye Movement)
During sleep, the mind passes through five distinct stages. One of those stages is Rapid Eye Movement (REM) sleep. During this stage, the eyes roll rapidly in multiple directions. The other four stages are indicated as non-REM (NREM) sleep.
During REM sleep, our mind is most active as it is if we are awake. In this stage of sleep, breathing can become accelerated and unusual. REM sleep is believed to help to strengthen the memories.
Answer: Privacy
Explanation: Privacy regarding technical issues related to IT applies to data privacy or information privacy, as is the case here. This is an important aspect that everyone who operates private information, such as email addresses, phone numbers, addresses, etc, has to deal with. They must be able to determine which of this information is for shearing and which is not, i.e whether some of the information that someone like Shelli owns, can be shared, transmitted or sold to a third party, that is, bakery. Each legislative act and law prescribes what is the private information that must be respected, that is, the privacy of that information is granted. There is also information for which transparency is guaranteed, such as information collected by various websites from children, and parents then have control over that information. There are many different cases of protecting the privacy of information.
