Answer:
B or D
Explanation:
think of it how you use chalk on a chalk board, its less friction using chalk instead lets say a marker on a white board.
<span>The brain’s
Frontal Lobe is responsible for voluntary movement (activities like walking,
raising your hand, moving), thinking, personality, decision-making. It is what
we can call our conscience, it makes us decide which actions are right or
wrong, and what norms are socially acceptable.</span>
Allows them to stretch and compact when needed
