<span>C.the railroads had to pass over mountains and rivers</span>
Without precipitation, there will be no enough water for your daily uses such as water for drinking, agriculture and so on. Air currents also have an effect on us as we rely the air currents in travelling in the bodies of water. Plus, air curents have an effect on the weather too.
Brad suffers from schizophrenia and frequently sees people who are not actually there. this is an example of a hallucination.
<h3>What is schizophrenia?</h3>
Schizophrenia is a severe mental illness inside which existence is perceived by sufferers strangely.
When combined with hallucinations and disturbing thoughts and behaviors, psychosis can have a crippling effect on usual activities.
As brad sees the people who are not there in reality, this may be a hallucination as this can be termed as a dangerous situation and a risky one for the others and himself too.
Learn more about schizophrenia, here:
brainly.com/question/23035586
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