A. a persons pitch or inflection
Engines with increased horsepower
Answer:
C
Explanation:
The investigator should give the subject comprehensive information about the new drug, including its side effects, discuss the pros and cons of both investigational drug and commercially available drug and then allow the subject to decide whether to withdraw from the research to take the new drug.
It is subject's will that he would either take that research treatment or would try the new treatment, but it is the investigator's duty to tell the subject all about the new drug, about its side effects and benefits, its costs and all other benefits or drawbacks.
Nicotine- can cause increase in blood pressure, heart flow, can lead to heart attack
tar- causes cancer
carbon monoxide- deprives heart, brain, and other vital organs of oxygen
Because they'll try to hide it.
That's because part of them knows that what they're doing is unhealthy and so they don't want people to know.