When we refer to Earth and its subsystems as dynamic, this means ...

[Anajune7]

When we refer to Earth and its subsystems as dynamic, this means that they are:
 a. indestructible.
  b. always unpredictable.
  c. holistic.
  d. ever-changing.

Question 2

In general, extrusive igneous rocks have larger crystals than intrusive igneous rocks.
 a. True
  b. False
  Indicate whether the statement is true or false

[onowka]

Answer to Question 1

D

Answer to Question 2

False

[Anajune7]

Thanks for the timely response, appreciate it

[blakcmamba]

TYSM