Which of the following is the least efficient irrigation method?

A. gravity flow irrigation
B. center pivot with low-pressure sprayer
C. drip irrigation
D. center pivot with LEPA sprinkler


Answer: A

Environmental & Atmospheric Sciences

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Which of the following best matches the description?Organisms that enter a population from elsewhere are involved in

A. exponential growth phase. B. age distribution. C. lag phase. D. r-strategist. E. dispersal. F. emigration. G. K-strategist. H. environmental resistance. I. density-dependent limiting factor. J. density-independent factor. K. immigration. L. population density. M. death phase. N. stable equilibrium phase. O. biotic potential. P. carrying capacity.

Environmental & Atmospheric Sciences

Which of the following bands are NOT used by the Earth-sensing satellites mentioned in the text?

A) X-rays B) Color infrared C) Panchromatic D) Thermal infrared E) Visible red

Environmental & Atmospheric Sciences

Besides Afghanistan, death rates in Central Asian states are in the single digits per 1,000 population

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which varna group is at the top of the Hindu caste system?

A) Kshatriyas B) Shudras C) Dalits D) Brahmins E) Vaishyas

Environmental & Atmospheric Sciences