What counterclaim is presented in the paragraph? O School music programs are expensive and time-
consuming.
O Participating in music programs has been shown to
improve student learning.
O Studies show children who participate in music
achieve high grades.
O Children who participate in music also perform
better on standardized tests.

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.