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Ratling [72]
3 years ago
8

14.

Biology
2 answers:
Aleks04 [339]3 years ago
3 0

Answer:Explanation:hola me respuesta es d

Si juegas free fire bn garcias por escucharme

Explanation:Explanation:hola me respuesta es d

Si juegas free fire bn garcias por escucharme

Tamiku [17]3 years ago
3 0

Answer:

B.Chlorophyll

Explanation:

If your teacher has showed you a diagram of cells for both plants and animals you will know that B is the only one found in plant cells, and if defined in a dictionary or google, will be what changes the color of plants

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C.scientific theory that would be your answer cause I just did this question
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Cuál es la fuente de conocimiento de la astrología? la observación de la naturaleza? los libros?
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How does energy flow in a food chain or web? What happens as it moves up in trophic levels
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As energy moves through trophic levels in an ecosystem the amount that is available decreases. ... A: Energy flows in a food web by being transferred to and between organisms as they undergo photosynthesis, are consumed by another organism, or decompose.

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When Charles Darwin considered some of the unique structures found in modern animals, like the feathered wings of birds, he famo
REY [17]

<u>Answer:</u>

Charles Darwin’s study of evolution predicts that genetic evidence would show that all organisms share a common ancestor.

Option: (B)

<u>Explanation: </u>

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7 0
3 years ago
How many grams of the compound in the figure above are required to make 1 liter of a 0.5 M solution? (Note: The atomic masses, i
Dafna1 [17]

Answer:

This question is incomplete as there is no figure in the question but the compound in the figure is Ethanoic acid (CH3COOH). Hence, we can calculate the mass.

The answer is: 30grams

Explanation:

According to the question, the volume of the compound (CH3COOH) is 1litre while the molar concentration is 0.5M

Molarity or Molar concentration is calculated using the formula:

M= n/V

Where; M= Molarity (M) = 0.5M

n= number of moles (mol)

V= Volume (V) = 1L

Hence, number of moles (n) = M × V

n = 0.5 × 1

n = 0.5 moles.

To calculate the mass in grams of CH3COOH, we say;

Number of moles (n) × molar mass (MM)

Since atomic mass for (C= 12, H= 1 and O=16)

Molar mass of CH3COOH:

= 12 + 1(3) + 12 + 16 + 16 + 1

Molar mass of CH3COOH = 60g/mol

Mass (in grams) of CH3COOH = 0.5 moles × 60g/mol

Mass = 30grams.

Therefore, 30grams of CH3COOH compound are required to make 1 liter of a 0.5 M solution.

6 0
3 years ago
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