7. Which of the following is a criticism of student tracking?
• It hinders the development of a common American identity.
B. It unfairly labels students.
C. It relies too heavily on standardized curriculum.
D. It favors students in low-income areas.

Ithink the answer is c hope i

Ithink its a im not sure 

The earth's inner core is the earth's innermost part. it is primarily a solid ball with a radius of about 1,220 km (760 miles), which is about 70% of the moon's radius.[1][2] it is composed of an iron–nickel alloy and some light elements. the temperature at the inner core's surface is approximately 5,700 k (5,430 °c), which is about the temperature at the surface of the sun.