Answer:
The correct answer is "Feeling sad after losing a game".
Explanation: Because the other three are very common signs and symptoms of depression. Feeling sad after losing a game is not one of it!
DNA helps scientists to better classify organisms is because each organ has a specific kind of DNA. For an example, brains and hearts have many small types of RNA. So if a scientists see some RNA they know that its a heart or a brain.
Answer:
Body alignment is critical since improper form during a workout might result in pain or injury.
Explanation:
I would advise them to keep their backs straight and their hands shoulder width apart.
