Answer: Low-skilled newcomers were supplied labor for industrialization, and higher-skilled arrivals helped spur innovations in agriculture and manufacturing. The data also show that the long-term benefits of immigration did not come at short-term cost to the economy as whole
Explanation:
The answer is to keep out invaders<span>
</span>
Answer: a) have validity.
Explanation:
The validity of a test refers to the extent to which the test measures what it indicates it should measure. That is, the results are consistent with the variable that wants to measure.
When people perform personality tests sometimes they lie to generate a good or bad impression, this is why the validity of the test is compromised. To avoid this, various tests measure the validity of the results. The tests are invalid if they do not meet the validity criteria.
<em>I hope this information can help you.</em>
Answer: Hypnagogic
Explanation:
Hypnagogic is type of hallucination that is felt by people usually before time of sleeping.It can disturb the sleeping person and cause anxiety or stress due to sudden wakefulness. Some mental process takes place in mind in form of visual effect,sound, sensory effect etc.
According top the question,hypnagogic hallucination is experienced by the person who is about to fall asleep but suddenly felt hallucination of falling down from stairs which drags him towards wakefulness.