A repeated series of independent experiments where there is only two possible outcomes (Normally called "Success" or "Failure")
Examples: When you flip a coin. Out comes: head or tails
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The rest are incorrect:Bath salts can produce anxiety, agitation, hallucinations, and paranoia even in low doses, not just when used at high doses.Bath salts cannot cause a rapid drop in blood pressure and heart rate, instead it causes rapid increase when ingested, snorted, or injected.Bath salts are not synthetic drugs like mdma (methylenedioxy-methamphetamine).
Answer:
Our immune system produces antibodies against that antigen of pathogen.
Explanation:
Injecting an antigen from a pathogen would help our immune system memorize the infection and protect our body from causing of the disease because our immune system produces antibodies against that antigen so when the pathogen enters our body these antibodies attack on that and prevent them of causing infection in the body so that's why injecting an antigen has to be done from the childhood to prevent diseases.
Answer: A scarcity of lemmings will cause for the population of snowy owls to decrease, as their resources have been limited.