English, 28.05.2020 20:06 jettskii214
Why is the runoff from fertilized agricultural fields, even if free of pesticides, often harmful to the ecosystems of temperate lakes?
A - The fertilizer promotes the growth of fish to the point where they cannot find enough food to eat.
B - The runoff causes a surface algal bloom, which reduces the penetration of light into the eater which reduces photosynthesis which reduces the amount of oxygen in the water.
C - Fertilizer runoff promotes antibiotic resistance.
D - The runoff raises the levels of inorganic nutrients in the surface waters to levels that are toxic for algae and other lake organisms.
What has happened to fish populations as a result, primarily, of commercial fishing activity?
A - Some commercial fish species are exhibiting faster growth rates.
B - There has been a decline in population sizes of commercial fish stocks.
C - There has been a decrease in the levels of toxins found in the flesh of fish that we eat.
D - There has been directional selection favoring larger fish.
Answers: 1
English, 21.06.2019 20:00, studyoverload
Ineed badly ! i got to get this done and i can't get it done tomorrow! 1. expand the meaning of each sentence by adding adjectives. (dinner cooks.) (clown chuckled.) (car raced.) (dancer spun.) (panthers growled.) (leaves fall.) (bread baked.) (lake glistened.) (ship glides.) 2. using the sentences above, expand the meaning by adding adverbs. 3. using any five of the sentences from #2, expand the meaning by adding a compound word to each sentence. 4. using any three of the sentences from #3, expand the meaning by adding a prepositional phrase to each sentence. 5. using any one of the sentences from #4, expand the meaning by adding a synonym to this sentence.
Answers: 1
English, 21.06.2019 20:00, bajohnson8170
Hich statement offers the best comparison of the two poems? where have you gone." i am a black woman.
Answers: 1
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