Who was the first person to invent plastic, and what was their purpose for inventing it?

Who was the first person to invent plastic?

Alexander Parkes.

What was the purpose of Alexander Parkes in inventing plastic?

After testing interesting properties of natural rubber, Parkes started forming an idea of developing fully synthetic formula for a building material that could be easily molded while it is hot. In 1841 he received first patent for a method of waterproofing fabrics by thin coats of rubber.

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.