Chinese immigrants faced a stricter interrogation at US immigration stations during the 1800s.
<h3>Who are Immigrants?</h3>
These are referred to individuals who move from one country to another and take up permanent residence there.
The Chinese Exclusion Act in 1882 prohibited immigration of Chinese and also led to them being treated poorly which was why option A was chosen.
Read more about Chinese Exclusion Act here brainly.com/question/24795942
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Explanation:
You need interchange the variables and solve for y
The nervous system is divided into the central nervous system and the peripheral nervous system. The central nervous system consist of the brain and the spinal cord while the peripheral nervous system consists the nerves which connect the CNS to other parts of the body. Autonomic nervous system is part of the PNS that supplies the effectors (muscles and the glands)n which influence the function of internal organs. Its is the sympathetic part of the ANS that triggers many of the physical responses we have when we experience an emotion.
Answer:
placebo
Explanation:
We often hear about placebos being used in pharmacological tests. A placebo is an inert substance, sometimes called a "sugar pill," which can be given in place of the drug being evaluated.
Scientists commonly use placebos to study the effects of a new drug. This is done by providing the drug to a number of people who participate in the trial, while the rest receive another substance that lacks medical or therapeutic properties. Test participants do not know if they received the placebo or the actual drug. Often, even doctors know which participants ingest the drug and which not until the end of the pharmacological test.