Answer:
B. Social environment
Explanation:
It's like when you hang out with people who likes to draw so you end up having drawing as a hobby (example).
Basically, depending on who you're surrounded with, you will end up influenced with or without you noticing it.
Proper muscular fitness improve posture
Explanation:
Good posture and body balance is highly essential for good health of the body. This helps to avoid risks of mechanical injuries. A proper muscular fitness regime has huge benefits like providing good energy levels, efficiently working heart, improves endurance, builds confidence and improves body balance and maintains posture.
To maintain a good posture, muscular fitness, flexibility, strength, strong skeletal structure, and normal joint movements are necessary. Posture defines the way one should stand, sit, or lie.
Strength training exercises provides good muscular fitness and aids in good body mechanics. This helps to maintain good body balance and coordination as well as posture.
Excitatory neurotransmitter? This question is too vague.
