Answer:
1.3 m/s
Explanation:
average speed = total distance/ total time
<span>brains need to be flexible because if they weren't we would never be able to increase our intellect. human beings are more flexible intellectually because we can turn our hands to more complex things and have the ability to learn better.</span>
It's acquired. Innate means you have it at birth, acquired means you picked it up. Obviously babies can't speak ;) so it's acquired.
Gravity, friction, and air resistance are some examples.
3. Sand has a low specific heat compared to air
