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Alina [70]
2 years ago
7

Which of the following is the correct Lewis structure diagram for Sodium (Na)? The letters Na with one dot The letters Na with t

wo dots The letters Na with three dots The letters Na with four dots
Biology
1 answer:
ololo11 [35]2 years ago
6 0

Answer:

One

Explanation:

Sodium (Na) has one valence electron so it gets one dot.

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The long bundle of neurons that carries messages to and from the body to the brain and is responsible for very fast, lifesaving
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The long bundle of neurons that carries messages to and from the body to the brain and is responsible for very fast, lifesaving reflexes is called the<u> spinal cord. </u>

<h3>What is the espinal cord?</h3>

There are two organs involved in the central nervous system that function as control centers,

  • The brain,
  • The spinal cord.

The spinal cord is a nerve tube placed in a hollow space left between vertebras along the vertebral column. The vertebrae's body protects the spinal cord.

It is made of nerves that take orders from the brain to the rest of the body and send messages from the body to the brain.  

Reflexes acts are produced in the medulla, and the brain is not involved.

The nervous cells of the medulla have fibers that extend from the medulla to the body and are connected to sensory receptors.

When receptors receive stimuli, they send information to the nerve fibers, which take it to the brain. From the brain, they send a response.

The answer is spinal cord.

You can learn ore about the spinal cord at

brainly.com/question/6957362

brainly.com/question/15707666

6 0
2 years ago
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KonstantinChe [14]

Answer:

It's like a transporter or a Post Office, sending stuff out

Explanation:

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3 0
3 years ago
A grocer stacks oranges in a four-sided pyramid that is 6 layers high. Solve for the number of oranges in the pile.
Vlada [557]
Each layer contains the square of the layer number.
<span>So,
Let's figure out :
1 squared = 1 </span>
<span>2 squared = 4 </span>
<span>3 squared = 9 </span>
<span>4 squared = 16 </span>
<span>5 squared = 25 
</span>6 squared = 36
<span>Hence,
The total number of oranges in the pile = 1+4+9+16+25+36
                                                               = 91 oranges
</span><span>
D. 91
</span>
5 0
3 years ago
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The Earth's atmosphere contains certain chemicals that absorb infrared energy emitted by the Sun and Earth. The process by which
Gennadij [26K]

The answer is; greenhouse effect, insulating

Examples of greenhouse gases in the atmosphere are carbon dioxide and methane. They trap infrared light spectrum emitted from the earth towards space. This trap acts as heat insulation causing global temperatures to rise and resulting in global warming and climate change.

3 0
3 years ago
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ATP is the energy currency we use in our bodies. The energy that is released from ATP when it is broken down comes from the ____
muminat

Answer: Oxidation of Glucose,Glycolytic reactions

Explanation:

4 0
2 years ago
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