You should study earth science because you will learn how scientists can determine how old rocks are and you will know about the earth better.
Answer:
animal science - the study of domesticated animals
animal husbandry - the upbringing of animals for food and other products
animal by-products - parts of an animal used to make inedible goods
Explanation:
<span>Much of the commercially important waterways of the United States consist of the Mississippi River System—the Mississippi River and connecting waterways. .... States on the Gulf Coast and throughout the Midwest and Ohio Valley ...</span>