What is the most efficient means of water delivery to crops?
A. center-pivot sprinkler systems
B. flood irrigation
C. trickle or drip irrigation
D. gravity-flow canal systems
E. diagonal-pivot systems
Answer: C
Environmental & Atmospheric Sciences
You might also like to view...
The ecology of San Francisco Bay is being disrupted by ________.
A. Asian clams and European green crabs B. Asian clams C. comb jellies D. Asian clams, comb jellies, and European green crabs E. European green crabs
Environmental & Atmospheric Sciences
Lake-effect snow occurs only during the early spring
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Surface waters are pushed away from land and replaced by nutrient-rich deep water through ________
A) convergence B) downwelling C) land breezes D) sea breezes E) upwelling
Environmental & Atmospheric Sciences
The world is divided into ________ standard time zones
A) 11 B) 15 C) 24 D) 180 E) 360
Environmental & Atmospheric Sciences