Answer: an amphetamine
Explanation: Amphetamine is a type of stimulant which targets (stimulates) the central nervous system, mostly used in the treatment of disorders such as hyperactivity disorder, narcolepsy as well as obesity. It aids the transmission of information between the body and the brain.
Adam has likely ingested an amphetamine which explained his increased alertness (focus) and also reduced appetite ( treatment of obesity).
Answer: The red one is positive (+)
Explanation: The red clip on a jumper cable is positive, In the jumper cable, One is marked positive (+), the other negative (-). There are also positive and negative cables in the jumper cable set. The red one is positive (+), the black one is negative (-). Never connect the red cable to the negative battery terminal or a vehicle with a dead battery.
