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Firlakuza [10]
3 years ago
13

What does Michael Breed claim has changed over the last 35 years?

SAT
1 answer:
Veseljchak [2.6K]3 years ago
5 0

Answer:

Bee colonies are collapsing more frequently than before.

Explanation:

According to a different source, these are the options that come with this question:

Postal workers are getting bitten by bees more than ever.

His neighbors’ bees are destroying his colonies, which has never happened before.

Bees can no longer live in Northern Colorado.

Bee colonies are collapsing more frequently than before.

In this text, the author talks about a man called Michael Breed. Breed is a honeybee researcher at the University of Colorado. He tells us that, in the 35 years that he has been working with bees, he has noticed that bee colonies are collapsing more frequently than ever before. He gives several explanations for this situation, such as more parasites and infections due to climate change, loss of flower scent by pollution or a decreased ability to find a hive due to the use of pesticides.

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Amazon commercial nurse what does he say at the end.
Vera_Pavlovna [14]

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6 0
2 years ago
what is the molarity of a solution prepared by dissolving 54.3 g of ca(no3)2 to form 355 ml of the solution?
Ratling [72]

Answer:

The molarity of a solution prepared by dissolving 54.3 g of Calcium nitrate  into 355 mL of water is 0.9881M

Molarity of solution is the ratio of the number of moles of the substance to the volume.

n is the number of moles of the compound

Mass of calcium nitrate = 54.3g

Molar mass of calcium nitrate = Ca(NO₃)₂ = 164.088 g/mol

Get the required molarity;

Hence the molarity of a solution prepared by dissolving 54.3 g of Calcium nitrate  into 355 mL of water is 0.9881M

Explanation:

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6 0
2 years ago
considering periodic trends, valence electrons in which of the following atoms experience the greatest effective nuclear charge
Anni [7]

The <em>effective nuclear charge</em> is the difference between the atomic number an element and the shielding constant. Hence, the atom which experiences the greatest nuclear charge is Sulphur, S.

<u>Calculating the greatest effective nuclear charge</u>, :

  • Z_{eff} = Z - S

  • Z = Atomic number ; S = shielding constant

<u>For Magnesium, Mg</u>:

Z = 12

S = 10

Z_{eff} = 12 - 10 = 2

<u>For Aluminium, Al</u>:

Z = 13

S = 10

Z_{eff} = 12 - 10 = 3

For Sulphur, , S:

Z = 16

S = 10

Z_{eff} = 16 - 10 = 6

Therefore, the atom whuch experience the greatest Z_{eff} is Sulphur.

Learn more :brainly.com/question/24978746

8 0
2 years ago
Is this thedrewrugrats?
kondor19780726 [428]

Answer:

no this is Patrick

Explanation:

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3 0
3 years ago
26. Which of the following best defines health insurance? (1 point)
fredd [130]

Answer:

26-c

27-a

28-c

29-b

Explanation:

3 0
3 years ago
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