11. Why is the United States one of the most ethnically diverse countries in the world?
a. Many European nations colonized the new lands for its resources.
b. The British founded the thirteen colonies along the Atlantic Coast
c. The Spanish Conquistadors conquered the Aztecs
d. The Triangle Trade Routes

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Is a pencil falling to the floor anon contact force, a force, or a contact force

What is the average rate of the reaction between 10 and 20 s?