Question

many types of plastic were invented throughout the 20th century. since then, different uses have been found for plastics, and many household objects are now made partially or entirely of plastic. which statement best explains why plastics have become so commonly used? a. they are produced in large quantities. b. they are found abundantly in nature. c. they contribute to water pollution. d. they have many useful properties.

Explanation:

Plastics are synthetic (not naturally abundant) and their large production is a result of their utility, not the cause of common use. Pollution is a negative effect, not a reason for use. Useful properties (e.g., durability, moldability, low cost) directly enable varied applications.

Answer:

D. They have many useful properties.