Giant irregulars are the most massive of all known galaxies.
Indicate whether the statement is true or false
Question 2
In noting that our world is differentiated, we mean that:
A) the density of its materials decreases as you go downward toward the core.
B) the Earth has evolved in a different pattern than any other planet.
C) the iron and nickel core is denser than the silicate mantle and crust.
D) radioactive heating in the core is at a slower pace than when the Earth was new.
E) the Earth's magnetic field is different now in polarity than it was 700,000 years ago.