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snow_lady [41]
3 years ago
12

How could heavily fertilized lawns contribute to cyanobacterial blooms in lakes and oceans? A. Run-off from the lawns will get i

nto the water system, leading to large amounts of nitrogen that can be used by cyanobacteria in water systems. B. The large amounts of nutrient-rich grass that are created will be mowed down, with grass clipping bits eventually washing into sewer systems and into larger bodies of water. These grass clippings will serve as a nutrient source for cyanobacteria, leading to blooms. C. Large amounts of fertilizer will lead to excessive production of greenhouse gases (like CO2) from grass in lawns. Excessive CO2 production will lead to large blooms of cyanobacteria in water systems. D. They won't-the two systems are completely unrelated. How could grass in lawns contribute to effects in lakes and oceans?
Biology
1 answer:
seraphim [82]3 years ago
4 0

Answer:

fits letter B

Explanation:

"Nutrient pollution is the process where too many nutrients, mainly nitrogen and phosphorus, are added to bodies of water and can act like fertilizer, causing excessive growth of algae. Nutrients can run off of land in urban areas where lawn fertilizers are used."

This process is also known as eutrophication, and this causes dead zones, as the one in the Northern Gulf of Mexico by the coastal development and the run-off nutrients of the Mississippi River.

NOAA (2019) What is nutrient pollution?

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A: Eating a sandwich

Explanation:

During labs eating is a big no. Some food can catch on fire, or be contaminated or breed germs that can affect the experiment. Wearing googles is a good idea and tying back hair is a must when using fire. The work area should always be clean so A is the answer

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3 years ago
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How is Continental crust and Oceanic crust different in terms of rock composition?
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Answer:Continental crust is broadly granitic in composition and, with a density of about 2.7 grams per cubic cm, is somewhat lighter than oceanic crust, which is basaltic (i.e., richer in iron and magnesium than granite) in composition and has a density of about 2.9 to 3 grams per cubic cm.

Explanation:

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3 years ago
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2 years ago
"The Amish population in Lancaster County, Pennsylvania has a high rate of genetic dwarfism because of low genetic diversity. Th
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Founder effect

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Founder effect is a phenomena where a small group of individuals migrate from the original population to some other area and start a new population. The new population will all result from this small founder population. So if by chance some alleles were present more in the founder population, the new population will also show high frequency for it. As a result the allele frequencies in the new population can differ from the original first population.

Here, the Amish population in North America was settled by a small number of immigrants from Europe. Among those immigrants many had alleles for genetic dwarfism. So when this small population grew in America, genetic dwarfism also became prevalent in them.

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