The Jurassic is a(n)
a. epoch.
b. era.
c. eon.
d. period.
d
You might also like to view...
You can control the JPEG compression level with digital camera settings.
Answer the following statement true (T) or false (F)
Earth's internal layers were discovered by studying the propagation of P- and S- waves through Earth's interior. In comparison to P-waves, the movement of S-waves are
A) faster and compresses and expands the rock as they move through it. B) faster and vibrates rock particles up and down and side-to-side. C) slower and can travel through solid granite, magma, water or air. D) slower and they can only travel through solids, not liquids.
Any model of solar system formation must explain why terrestrial planets and jovian planets formed differently
Indicate whether the statement is true or false
Why do the patterns of the stars in our sky look the same from year to year?
A) because the stars in the constellations move so slowly-typically about the speed of a snail-that their motions are not noticeable B) because the stars in the constellations are so far away C) because the stars in the constellations are not moving D) because the stars in the constellations all move at the same speeds and in the same directions, so they don't change their relative positions