<span>A psychological response to an out-of-the-ordinary stressor defines the posttraumatic stress disorder (PTSD).
When people are exposed to a traumatic event, such as war, or sexual assault, or generally any type of threat or tragedy, they may develop PTSD as a result. This means that the person will still have strong and negative emotions, such as fear, or hatred, months or years after the event occurred, and it is very difficult to treat.
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Answer:
A mutation is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. Mutations in sex cells are more serious because they are heritable and affect the next generation.
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Answer:
oxygen because
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because u can survive 3 days with out it and if u did not have oxygen u would suffocate
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Option D.
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Scientific method is the method of experimentation that is used in science to explore observations and answers to questions on natural world. It involves making observations, formulating hypothesis and conducting scientific experiments.
Scientific processes is the end result of scientific method. It involve step by step approaches use to carry out scientific experiments about natural world.