What strategy involves the use of nutrients to directly encourage the growth of existing healthy biota

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?