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 17:40
Read the excerpt from how the grimm brothers saved the fairy tale. which idea does the author develop with the text example cited in the excerpt ?
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English, 22.06.2019 00:30
Ineed to write a write a 4–5 paragraph compare and contrast essay that addresses how anne frank matures over the course of writing her diary.it's also a compare and contrast essayi just got put into this new class and i don't know if we were supposed to already be reading and the essay is due today and i haven't even started it nor read the book, someone me what do i do
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English, 22.06.2019 04:30
Write a five-minute oral presentation about the call of the wild, writing for an audience of your peers. what did you find most fascinating or interesting about the story, and what did you think were its most important points? include one visual element to support your ideas; this may be a short slideshow. then, make small changes to your speech to adapt it to be presented to a formal audience. enter both versions of your speech (informal and formal) in the space below, and include your selected visual element. if possible, present your speech to an audience to receive feedback.
Answers: 1
English, 22.06.2019 10:00
Which sentence is written correctly? a. it's too bad its raining, i wanted too go for a swim. b. its too bad its raining, i wanted to go for a swim. c. it's too bad it's raining, i wanted to go for a swim. d. it's to bad it's raining, i wanted too go for a swim.
Answers: 2
Why is the runoff from fertilized agricultural fields, even if free of pesticides, often harmful to...
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