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koban [17]
3 years ago
15

Bioaccumulation of this chemical lead to bird eggs with weak shells and nonviable offspring:

Biology
2 answers:
Olin [163]3 years ago
7 0
Bio accumulation of DDT lead to bird eggs with weak shells and non viable offspring. The lethal effects of DDT on birds was first noted in 1950; scientists discovered that earthworm was accumulating the DDT pesticide and that the robins that were preying on the earthworms were been poisoned. Further research revealed that the chemical cause thinning of the egg shell and production of non viable offspring. The chemical has since been banned in USA.
ELEN [110]3 years ago
6 0
Bioaccumulation of the chemical DDT lead to weakened shells in birds, especially those of eagles.
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Answer:

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Contact lens solution is described as a sterile, buffered, isotonic aqueous solution. Explain the importance of the adjectives b
OLEGan [10]

A contact lens is a lens placed on the cornea of the eye.


Importance of buffers in contact lens products:

Buffers: They aim to keep the pH of the solutions at values ​​between 6.6 and 7.8 in order to maintain the lens parameters and the effectiveness of the solutions. They are made by the combination of an acid and its sodium salt (phosphate and acetate for example). Borate and citrate buffers are used.


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Isotonia is expressed by osmolarity or cryoscopic lowering

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3 years ago
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The answer to this is C.
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Their father is the correct answer
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