Answer:
the study of the structure, reaction, and composition of different kinds of substances
Explanation:

<span>Young children could volunteer with animal services, for example Guide Dogs for the Blind or Hero Dogs. They could volunteer at their local library or around the house to do chores, or around the neighbourhood, for example car washing.</span>
In baseball is the action of a player acting as a baserunner who drops his body to the ground once he is very close to the base he is approaching and slide along ground to reach base