Thuy was learning about mid-ocean ridges and how they spread, creating more land. She wondered why Earth doesn't keep growing bigger and bigger Choose...
A. mid ocean ridges
B. Subduction areas
C. trenches
D. mantles
because of the new land. She learned that the reason Earth isn't expanding is because of the many
that occur at
ocean Choose...
A. mid ocean ridges
B. Subduction areas
C. trenches
D. mantles

Stages 1 and 4 of the demographic transition are similar in that

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a. light in water b. light in vacuum c. sound in air. d. sound in water

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor. b. increased mechanization has increased the need for water, thereby increasing the need for labor. increased mechanization has increased the use of land, thereby increasing the need for labor. d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.