Which of the following sequences correctly lists the geologic events and figure 12 Dash one in order from oldest to youngest (oldest listed first)?

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.

The answer is d. when it begins to fall back to the child's hand

Ithink b hope that