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zhenek [66]
3 years ago
10

What does it mean when a compound’s chemical formula does not include any numbers?

Biology
1 answer:
Klio2033 [76]3 years ago
7 0

Answer:

Explanation:An example of such a substance is table salt. The chemical formula for table salt is NaCl. ... That there are no numbers present in the chemical formula means that there is one atom of each element present in the molecule. The Periodic Table reveals that Na is the symbol for sodium, and Cl is the symbol for chlorine.

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Which form successively larger vessels that carry blood toward the heart?
victus00 [196]

Answer:

Veins.

Explanation:

Heart is the main organs of circulatory system that transport blood in the body.Human heart is four chambered and separates the oxygenated and deoxygenated blood in the body.  

Arteries are responsible for the passage of blood from heart to the body parts. The deoxygenated blood from the body collect in the veins and transfer to heart. Arteries has high pressure than veins and veins are thinner than artery.

Thus, the answer is veins.

4 0
3 years ago
Carbohydrates stored in the liver are in the form of starch.<br><br> True<br><br> False
Rufina [12.5K]

Answer:

It is false. carbohydrates are stored in form of glycogen.

3 0
2 years ago
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Which features set most of the members of protista apart from the rest of the kingdoms
Colt1911 [192]

Answer: Unicellular and microscopic features set the protista apart from the rest of the kingdom.

Explanation:

Protista are eukaryotic organisms that are neither plants, animals or fungi. They do not have a natural group with whom they share common ancestor. They have a unique features that set them apart from the rest of the kingdom which are unicellular and microscopic. Examples are amoeba, blue green algae, diatoms, green algae, ciliates and many more.

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3 years ago
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___________changes sperm from round cells to cells that can swim<br><br> fill in the blank
Tasya [4]

Answer:

hormones

Explanation:

6 0
2 years ago
A(n) ________ is a hard outside covering that is used for protection and prevents the inner body area from drying out.
Artist 52 [7]

The cuticle is the most exterior layer of arthropods' tegument, and its principal function is to protect the body and avoid dehydration. Option C is correct. Cuticle.

<h3>What is the cuticle?</h3>

The cuticle is the most exterior layer of arthropods' tegument. It is secreted by the epidermis and develops right over it.

It is composed of two main layers,

  • epicuticle ⇒ outermost layer
  • procuticle ⇒ inner layer

The cuticle is mainly made of chitin, and its function is to protect the organism's body and avoid dehydration.

Because it avoids dehydration it is believed that arthropods had such an evolutive and adaptative successful in their transition from water to the land.

The cuticle also provides support to the body and a muscle attachment surface.

The correct option is C. Cuticle

A _<u>Cuticle</u>_ is a hard outside covering that is used for protection and prevents the inner body area from drying out.

You can learn more about cuticle at

brainly.com/question/3997730

#SPJ1  

6 0
1 year ago
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