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Brums [2.3K]
3 years ago
7

Give three examples of biomagnification ! Please help

Biology
2 answers:
Kaylis [27]3 years ago
8 0

Answer:mercury, lead, chromium

Explanation:

amid [387]3 years ago
3 0

Answer: 1. hawk eating snake

2. Food we eating today from animals contain PCP (plastic or other harmful material)

3. Spraying sprays on mosquito

Explanation: 1. snake eating rat. Rat has a some chemical that now snake has it once it ate it. At last now, hawk has it because he ate rat.

2. Being affected by those chemicals for humans.

3. Those toxic chemical in spray would affect human in bad ways.

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Scilla [17]

Answer:

healthy diet prevents and protects from diseases like obesity, heart disease, diabetes, cancer and stroke. constantly eating junk food can lead to obesity and chronic diseases like cardiovascular disease, type 2 diabetes, non-alcoholic fatty liver disease and some cancers.

Explanation:

3 0
3 years ago
Help me pleeeeeaaasssseeee
IrinaK [193]
Sorry but I don’t know
7 0
3 years ago
You are conducting a case control study to determine if an association exists between melanoma and indoor tanning. From a statew
Aleksandr-060686 [28]

Answer:

a. Odds ratio = 1.58

b.  Inasmuch the odds ratio is greater than 1, this means that higher odds of melanoma exist in people exposed to indoor tanning, than in those not exposed to indoor tanning

Explanation:

For case  study                                                  

Let 'a'  represent the total population of people with melanomia = 696                                                      

Let 'b' represent the total number of people with melanomia exposed to indoor tanning  =  1107 – 696 = 411 people

For  control study

Let 'c' represent the total population = 1500

Let 'd' represent the total number of people not exposed to indoor tanning = 1500 - (0.428 * 1500)

                                                          =  1500 - 723

Total number of people not exposed to indoor tanning   = 777 people

                                                       

a. Odds ratio = (a/b) / (d/c) = (696/411) / (777/723)

                                                = 1.69 / 1.07 = 1.58

b. Inasmuch the odds ratio is greater than 1, this means that higher odds of melanoma exist in people exposed to indoor tanning, than in those not exposed to indoor tanning.

7 0
3 years ago
Why are endemic organisms in greater danger of becoming extinct?
Liula [17]

Answer:

They are the species which are found only in a particular area. They can be a plant, animal or microorganism. They are at great danger of becoming extinct due to the following reasons: - As they are restricted to a particular area so loss of their habitat is the major reason which could lead to extinction.

Explanation:

5 0
3 years ago
Which of the following is an example of extrusive rock that has cooled too quickly for grains to form?
andrey2020 [161]
I believe the answer is Volcanic glass
5 0
3 years ago
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