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balandron [24]
3 years ago
6

Which step completes the pollution process shown? A farmer applies excess fertilizer runoff carries nitrogen to a lake ? lake wa

ter becomes oxygen depleted
a.) Phytoplankton grow rapidly in the lake then die and decompose
b.) Bacteria decrease in the lake water
c.) The lake water becomes clearer
d.) Fish become diseased
Biology
2 answers:
KengaRu [80]3 years ago
8 0

Answer:

The answer is A) Phytoplankton grow rapidly in the lake then die and decompose.

sergey [27]3 years ago
6 0

Answer:

Option A

Explanation:

Excess of nitrogen and phosphorus from farmlands flows along with the surface runoff (due to heavy rainfall) and mixes with nearby or adjoining water body, and then the problem of eutrophication arises. In eutrophication, the productivity of the lake increases due to excess of nutrients and as a result of this large number of phytoplanktons grows in the water body. This over growth of phytoplanktons causes depletion of dissolved oxygen.  

Hence, option A is correct

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Over [174]

Answer:

The first male was bb Ee, and the second male was bb EE.

Explanation:

In Labradors coat colour is controlled by two genes. Suppose the two genes are B and E. B produces black colour and recessive form bb gives brown colour. Gene E is epistatic over gene B in its recessive form which means that ee will produce yellow colour regardless of the genotype present of B gene.

The first case is possible if the female lab is bbee (yellow) and the male lab is bbEe (brown):

bbee X bbEe

        bE      be

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So half of the offspring will be brown (bbEe) and half of them will be yellow (bbee)

The second case is possible if the same female bbee mates with a brown male of different genotype which can be bbEE:

bbee X bbEE

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be   bbEe

So all offspring will be brown (bbEe)

Hence, the first male was bbEe and the second male was bbEE.

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svetoff [14.1K]
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<span>2) South Carolina, Georgia, Alabama, Mississippi 


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I hope my answer has come to your help. God bless and have a nice day ahead!
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Answer:

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Explanation:

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