Identify the true statement. choose one: a. the sahara desert has always been an arid region with few surface-water streams. b. oases are sourced by springs and are regions where groundwater intersects the land surface. c. there are no groundwater reserves beneath deserts like the sahara because there are no rocks present that would make suitable aquifers. d. in dry regions where surface water has disappeared, groundwater can no longer be found beneath the surface.

the answer is a) a shiprock was formed by igneous process

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.

the correct answer is 2 and 4