3 Lines a and care parallel. Write an equation to solve for x and state the relationship
that you used to write the equation.
3
D
(15x + 1)º
S
H
(25x + 19)
E
K
R

Explain the cause for movement river valley civilization to early industrial centers

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.

All of the following are reasons why deserts extremely susceptible to wind erosion except a. they lack major root systems b. they contain thin, dry soil c. they have very few plants and trees d. they are extremely hot and lack water