Throw it sideways and try to make it spin around but it needs to be thrown high up then it should kinda glide down
B
because it will pick it up while coming down not just flowing on low land<span />
The type of rocks are magma and the igneous rocks.
Answer:
I think they use it at night because they want to avoid involving themselves in road accident while crossing the street. When there are reflective strips on their clothes, drivers do notice them even at far ends of the street since the strips will reflect the rays from the car lights to the driver,hence, the driver notifies that there is a pedestrian crossing and therefore slows down.
