What makes the core of the Earth denser than the mantle? a. because the inner core is solid, and the mantle is semi-solid
b. because the core is metallic iron and nickel which are denser than the materials than in the mantle
c. because the mantle isn't as hot as the core

Explain the difference between an independent and dependent sample. choose the correct answer below. a. in an independent sample, the individuals are chosen without replacement; in a dependent sample, the individuals are chosen with replacement. b. in a dependent sample, one would use a two-tailed hypothesis test; in an independent sample, one would use a one-tail hypothesis test. c. a sample is independent when an individual selected for one sample does not dictate which individual is to be in the second sample. a sample is dependent when an individual selected for one sample dictates which individual is to be in the second sample. d. a sample is independent when an individual selected for one sample dictates which individual is to be in the second sample. a sample is dependent when an individual selected for one sample does not dictate which individual is to be in the second sample. independent samples are often referred to as matched-pairs samples.

What obstacles did jen bricker face early in life?

Did egypt invent wheels or sailboats