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natali 33 [55]
3 years ago
11

What could be a result of eutrophication of nitrogen?

Biology
1 answer:
Xelga [282]3 years ago
3 0
A eutrophic stream, river or lake occurs when too many nutrients, like nitrogen and phosphorous, are present, usually as a result of runoff from the surrounding land. Algae, plankton and other microorganisms love these types of nutrients, and when they are plentiful, these aquatic organisms can take over
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A brown coat is recessive in Labradors, while a black coat is dominant. If two hybrids are bred, what percentage of the offsprin
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75%. Will have black coats.
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3 years ago
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In England, peppered moths have two color forms, light and dark. Dark is a dominant trait. Until about 1850, the majority of
ehidna [41]

Theory of natural selection by Charles Darwin explains the moth appearance in England. The theory of genetics describes this as a mere shift of trait due to environmental factors.

<h3><u>Explanation:</u></h3>

Peppered moths are the moths found in England from a long time ago. The environment before the industrial revolution was pure and pollution free, which led to the growth of the white variety of moths as they were able to camouflage better with the bark of the trees from their hunters. The white trait were the parents, and fertilization between the two recessive traits gave rise to the recessive traits only.

But with the industrial revolution, the pollution increased to a huge extent, leading to deposition of smokes and soot on trees bark where white variety of the white moths got easily recognizable. This led to the black moths which now can camouflage better. Thus the nature selected black variety over white variety for better survival, and the white variety reduced dramatically.

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3 years ago
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HELP PLS ITS A TEST N I NEED HELP ASAP
tamaranim1 [39]

Answer:

23a: The priest and the levite

23b: (from wikipedia) "<em>In Jewish culture, </em><em>contact with a dead body </em><em>was understood to be </em><em>defiling.</em><em> Priests were particularly enjoined to </em><em>avoid uncleanness.</em><em> The priest and Levite may therefore have </em><em>assumed</em><em> that the fallen </em><em>traveler was dead </em><em>and avoided him to </em><em>keep themselves ritually clean."</em>

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7 0
2 years ago
An electric clothes dryer draws 20 A of current from a 240-V wall outlet. How much power, in watts, does it use?
TEA [102]

An electric clothes dryer that draws 20 amps of current from a 240-volt wall outlet will use 4800 watts of power.

The equation is P(W) = I(A) × V<span>(V)</span>

<span>P(W)= amp x voltage</span>

<span>20 amps x 240 volts = 4800 watts.</span>

6 0
3 years ago
Which trophic level has the most energy
Natasha2012 [34]

Answer:

The lowest level, which is usually the producers.

Explanation:

This is because on every level of the trophic system, some energy is lost before the next level. So the level with the least lost energy is the lowest

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