The steppes of southern russia, the african veldt and the pampas of argentina are good examples of what biomes?

Which type of seismic waves are confined at the surface

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

Adepression on the surface of the land caused by the collapse of a cave roof is a blank. a) valley b) sinkhole c) mound