Which statement best describes the age of the seafloor?
select one:
a. it is constant throughout the world.
b. it is younger near the center and older near the continents.
c. it is older near the center and younger near the continents.
d. the seafloor is the newest landform on earth.
the pangaea theory supports the theory of plate tectonics because
select one:
a. it is based on the idea that there were several land masses when earth was first created
b. it is based on the idea that all the present continents were one supercontinent
c. it does not require scientists to support the notion that earth’s plates can move
d. one day, earth will have one large land mass again
what is a subduction zone?
select one:
a. a place where one plate is pushed down under another, such that it melts into the mantle
b. a place where two plates collide and mountains form
c. a place where hot material from the core rises through the mantle
d. a place where the seafloor is spreading

Which statement best explains distribution of natural resources? people tend to settle in locations that have the resources they need for survival. some countries have resources that others lack, so trade between countries becomes vital. fossil fuels come from areas that have mountains and other areas that manufacture synthetic gas. areas with natural resources provide a higher standard of living and better quality of life.

Directions you probably already know that people have different ways to organize their ideas. some people make lists or outlines, some draw pictures, while others may combine these two methods. experiment with different note-taking techniques to find the one which works best for you. one common note-taking technique is webbing. webbing uses the sizes of circles to indicate the importance of items. lines are used to indicate the relationships between items. the example below is based on the information presented in a previous lesson. notice that the circle for "geography is" appears at the center of the web. it has larger than the circles that surround it. the "geography " circle is surrounded by smaller circles of earth's atmosphere, earth's climate, earth's surface. notice the lines that connect these items to the concept of geography. notice that the circles surrounding atmosphere are smaller. also observe that the lines that connect the items and indicate the relationships between the items. webbing will you capture the most important points in your lessons. beginning with lesson two, geographic tools: globes and maps, use webbing to take notes on the important information in this unit. hint: it will be easier to complete this project if you take your notes after completing each lesson.

Islam and the arabic language spread throughout north africa in the 600s primarily through a. african traders b. american colonists c. european explorers d. middle eastern armies select the best answer from the choices provided