Author Question: The star Thuban in Draco A) was an excellent north pole star in 3,000 BC. B) lies halfway ... (Read 45 times)

nelaaney · **on:** Jul 27, 2018

The star Thuban in Draco

A) was an excellent north pole star in 3,000 BC.
B) lies halfway between the bowls of the Big and Little Dippers.
C) is used to locate the vernal equinox.
D) is brighter than Polaris.
E) lies as the center of the precession cycle.

Question 2

How does seafloor crust differ from continental crust?

A) Seafloor crust is thinner, older, and lower in density.
B) Seafloor crust is thinner, younger, and higher in density.
C) Seafloor crust is thicker, older, and higher in density.
D) Seafloor crust is thicker, younger, and lower in density.