Describe standardization and the roles of the normal curve, the Flynn effect, reliability (test-retest and split-half), and validity (content and predictive). Analyze the normal curve of intelligence testing and explain the mean, standard deviation, and percentiles for the data.

I'm not sure but it could be c ( not a 100% 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.