Which layer of soil is most likely of greatest importance to plant growth?

a. O (organic matter)

b. A (topsoil)

c. B (subsoil)

d. C (parent rock)

The place where two plates collide and build a new surface feature like these mountains is called a

Chunks sink and water on top is removed a. coagulation b. filtration c. chlorination d. aeration e. softening f. setting basins

As geographers use the term, scale tells usa. the weight of a given commodity. b. the intrinsic character of the object or area studied. c. the relationship between earth distance and map distance. d.

The oldest material found on Earth is a zircon grain that is 4.12 Ga. How come there are no rocks that are the same age as Earth (4.54 Ga) ? (A) No rocks formed during that time. (B) All rocks from that age have been recycled.

The countries of Western Europe have economies based on industry, although agriculture will always be an important part. A. True B. False

Trees in deciduous forest do what? A. Shed leaves during one season B. Grow in a warm Mediterranean climate C. Have needlelike leaves D. Grow in a climate that is cold year round

How many miles long is the great wall of china

What landforms are created at convergent boundaries?

In which direction does the Sun appear to move across the sky? Ofrom west to east from east to west from north to south from south to north

What is a planetary nebula neither a planet nor a nebula?