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zubka84 [21]
3 years ago
14

I need help with it please

Chemistry
2 answers:
Sati [7]3 years ago
8 0

Answer:

1. cells

2. energy

3. pre-existing cells by division

Explanation:

Goryan [66]3 years ago
3 0

Answer:

1. All living things have 1 or more cell

2. All organisms use a source of energy

3. All cells come form other pre-exsisting cells

Explanation:

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How many nitrogen atoms are in 2.79 mo.of NH3
alexandr1967 [171]
1 mol of any particles has 6.02 * 10 ²³ particles.

If we look at 1 NH3 (1 mol NH3 or 1 molecule NH3), we can see that 1 molecule NH3 has 1 atom of N and 3 atoms of H; also 1 mole of NH3 has 1 mole of N atoms and 3 moles of H atoms.

So, 1 mol of NH3 has 1 mol of N atoms,
 and 2.79 mol NH3 have 2.79 mol of N atoms.

2.79 mol of N atoms* 6.02 * 10 ²³ N atoms/ 1 mol N atoms = 1.68*10²⁴ N-atoms 

 Answer is 1.68*10²⁴ N-atoms. 
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PLEASE HELPP ______ consist of one large main root with smaller roots branching off, while _____ consist of several main roots t
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fibrous roots; taproots

Explanation:

A taproot root consists of one large main root with smaller roots that branches off into the soil, while the fibrous roots consists of several main roots that branches off to form one mass of roots.

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learn more:

Seedless vascular plants brainly.com/question/6047633

#learnwithBrainly

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Can you post a picture?
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Which of the following best describes the forces that generate solar power
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