use the quote to answer the question. ""we mean to uphold the dignity of labor"" –knights of labor did labor unions succeed in this goal in the late 1800s? why or why not? use examples to support your answer.

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.