The control group is usually the group in which none of their variables are changed. This group is used in order to compare it with the outcomes of the other groups.
Its a challegen that people do to figtj for that is right and to provide a answer to what is ebing asked in this case
That nicotine calms the person, makes them feel relax, and happy.
Nicotine also activates areas of the brain that are involved in producing feelings of pleasure and reward. nicotine raises the levels of a neurotransmitter called dopamine in the parts of the brain that produce feelings of pleasure and reward. Dopamine, which is sometimes called the pleasure molecule, is the same neurotransmitter that is involved in addictions to other drugs such as cocaine and heroin. Researchers now believe that this change in dopamine may play a key role in all addictions. This may help explain why it is so hard for people to stop smoking.
Answer:
Solve
Let's solve your equation step-by-step.
x−98+877=654
Step 1: Simplify both sides of the equation.
x−98+877=654
x+−98+877=654
(x)+(−98+877)=654(Combine Like Terms)
x+779=654
x+779=654
Step 2: Subtract 779 from both sides.
x+779−779=654−779
x=−125
Answer:
x=−125
Explanation:
