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snow_lady [41]
3 years ago
8

Please help(15 points)

Chemistry
2 answers:
Triss [41]3 years ago
4 0

Answer: because they take a lot of tie to form  

Lapatulllka [165]3 years ago
3 0
Because they take a lot time to form
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Harlamova29_29 [7]

Hunting deer can be considered resource extraction. It involves the loss of biodiversity.

<h3>What does resource extraction mean?</h3>

Resource extraction refers to the usage of fundamental resources (biodiversity resources) from the environment.

Hunting deer is considered a resource extraction activity because this activity involves the loss of biodiversity.

Biodiversity is a fundamental issue for the health (homeostasis state) of the whole ecosystem.

Learn more about biodiversity here:

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The pedigree represents how a certain sex-linked recessive trait is inherited.
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Explanation:

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3 years ago
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How many moles of iron is 6.022 x 10^22 atoms of iron? (Report answer as a number rounded to one place past the decimal.) *
yuradex [85]
<h3>Answer:</h3>

\displaystyle 0.1 \ mol \ Fe

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

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<u>Stoichiometry</u>

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<h3>Explanation:</h3>

<u>Step 1: Define</u>

6.022 × 10²² atoms Fe (iron)

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

  1. Set up:                    \displaystyle 6.022 \cdot 10^{22} \ atoms \ Fe(\frac{1 \ mol \ Fe}{6.022 \cdot 10^{23} \ atoms \ Fe})
  2. Divide:                    \displaystyle 0.1 \ mol \ Fe
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Which physical change is endothermic?
Helen [10]

Answer: The correct option is 1.

Explanation: Endothermic reactions are the reactions in which heat is provided to break down the reactant molecules.

In option 1:

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In option 2, 3 and 4:

All the other processes involves the formation of bonds and thus there is no need to provide any energy.

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