Which of the following is the most efficient form of irrigation?

a. flood irrigation
b. center-pivot irrigation
c. low pressure irrigation
d. precision sprinkler irrigation
e. micro irrigation


E

Environmental & Atmospheric Sciences

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In food webs, toxic chemicals tend to accumulate and concentrate most in the

A) top carnivores. B) herbivores. C) omnivores. D) autotrophs.

Environmental & Atmospheric Sciences

A species that has a narrow range of tolerance to heat, such as a polar bear, should be able to adapt easily to changes in its habitat that occur with global warming.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Explore how the human system can be modified into a sustainable ecosystem in balance with (i.e., preserving) other natural ecosystems without losing the other benefits of modern civilization

What will be an ideal response?

Environmental & Atmospheric Sciences

Gases are ________ of the atmosphere

A) evenly mixed throughout all levels B) unevenly mixed throughout all levels C) evenly mixed in the upper layers D) unevenly mixed in the lower layers E) evenly mixed in the lower layers

Environmental & Atmospheric Sciences