Certainly not the neurons in your brain...learn English.
fast and hard ;)
Particles
sloth,snail,slug. use these.
You can't move your hand fast enough, the lowest frequency sound is about 20 cycles per second, if you could move your hand that fast, you might hear sound.
Yes, they do. Sound waves move fastest through solids, less fast through liquids, and slowest through gasses. This is because the molecules of solids are closer together, while those of gasses are further apart, creating more space that the waves must jump to move.
Pandas can move really fast
Really fast.
Really fast.
really fast
really fast
it means u move really fast
it means u move really fast
because they move really fast
It is called velocity.
Hummingbirds are really fast. They are very agile, as they can move with a very great ease
you move your legs really fast!
they swim fast because that's how they are!