Saline seeps appear where glacial till overlays an impermeable layer. During fallow, increased
percolation picks up salts and carries them deeper into the soil. When salty water reaches the tight
layer, it spreads out sideways, flowing downslope underground. The salty water seeps to the surface on
a lower field and the water evaporates leaving salt on the soil surface.
Indicate whether the statement is true or false.
Question 2Current research shows equivalent yields from conventional and conservation tillage if known
technology is applied to each tillage system and the systems are matched to crops and soil types.
Indicate whether the statement is true or false.
Iridium-Rich Layer of Clay
Landbridge connections between continental Asia and Indonesia during glacial periods extend as far a
Cranial capacity has increased approximately fourfold over the last 3.5 million years of hominin evo
Remedies for insomnia include increased physical exercise and time spent outdoors.
End of last glacial period
Potential gas reserves have increased significantly with the discovery of new shale gas formations