If sandstone directly underlies shale in a vertical sequence, this is an
b. Upward fining sequence.
c. Upward coarsening sequence. *
Walthers Law states that _.
a. Older units are always below yo
Which of the following is more favorable for fossil preservation?
a. Soft body organisms such as jellyfish or worms.
b. Formation of glacial ice.
c. Slow burial after death.
d. Rapidly buried in life or after death.
e. Encased in amber.
What is the major tectonic event at the Mesozoic?
a. Forming of Pangea
b. Breakup of Pangea
c. Breakup of Rodinia
d. Gondwana collided into Antarctica
e. Avolonia collided with North America
Which of the following were new vertebrate classes that ap
Which planet is not primarily composed of rocky material?
What is the name for clouds of dust and gases that formed the solar system?
a. Solar wind
e. Solar nebula