In recent decades, unregulated open dumps have ________ in developing countries.

Podzolization is most likely to occur in the ________ horizon.

A) A B) B C) C D) E

Can a dialect become a standard language?

A. Yes B. No

What is the study of the balance between environmental factors and organisms in a community?

a. Ecology b. Biodiversity c. Niche d. Ecosystem

____ occurs when Earth's crust rises back up to its equilibrium level after the unloading of glaciers or sediments

A)Isostatic rebound B)Isographic rebound C)Isometric rebound D)Isostatic bounding E)Isometric bounding