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Marat540 [252]
2 years ago
6

Select the three hypotheses that explain why being born in the United States leads to a higher chance of developing allergies

Chemistry
1 answer:
ra1l [238]2 years ago
7 0

The three hypotheses that explain why being born in the United States

leads to a higher chance of developing allergies include the following:

  • The weather patterns in the United States bring more allergens compared to other countries.
  • Other factors which might influence why there are more children with allergies in the United States include climate, obesity, and the typical western diet with high amounts of processed foods.
  • The hygiene hypothesis claims that children in the United States are not exposed to enough germs in their infancy and childhood to develop their immune system‘s properly.

Allergies are caused by a host of factors such as :

  • Climate
  • Diet
  • Immune system

These factors is the reason why the chosen hypotheses are the most

appropriate.

Read more about Hypotheses here brainly.com/question/10854125

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Lewis structure cannot show the numbers of valences
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How many grams of Kr are in a 8.55 L cylinder at 12.3 ∘C and 8.33 atm?
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If a house viewed through infrared goggles ,where would the most seen
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Answer:

The answer is D - near the roof.

Explanation:

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5 0
3 years ago
How many chiral centers does clavulanic acid have?
VikaD [51]

Answer:

Clavulanic acid has two (2) chiral centers.

Explanation:

A chiral center is a center (usually carbon) with four different substituents.

The structure of clavulanic acid is shown in the attachment below.

Consider the labeled diagram in the attachment,

Carbon A is not a chiral carbon because it has two hydrogen atoms attached to it

Carbon B is not a chiral carbon because it has only three substituents

Carbon C is a chiral carbon because it has four different substituents

Carbon D is a chiral carbon because it has four different substituents

Carbon E is not a chiral carbon because it has only three atoms directly attached to it

Carbon F is not a chiral carbon because it has only three atoms directly attached to it

Carbon G is not a chiral carbon because it has two hydrogen atoms attached to it

Carbon H is not a chiral carbon because it has only three substituents

Then, only carbons C and D are chiral carbons.

Hence, clavulanic acid have two (2) chiral centers.

7 0
2 years ago
Can rotation and revolution occur at the same time? Explain.
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Answer:

yes

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Revolution is the movement of an object around another object. So, Earth revolves around the Sun, and the Moon revolves around Earth. At the same time, Earth and the Moon are also rotating. Earth's rate of revolution is about 365 days (one year), and its rate of rotation is about 24 hours (one day).

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