How do magnetic stripes show the history of Earth's magnetic field? A. As you move down through the seafloor, rocks get older.
B. As you move away from an ocean ridge, the rocks get older.
C. As you move eastward along a continent, rocks get older.
D. As you move away from a coast, the rocks get younger.

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

1. list three scientific reasons cockroaches may fly.