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Mariana [72]
3 years ago
5

Radiometric dating has been able to accurately date samples of known age. True False

Biology
2 answers:
Mkey [24]3 years ago
8 0
Well, that is true. That technique has been used to identify the radioactive decays in minerals to date back to when they were formed.

MakcuM [25]3 years ago
7 0
The answer for your question is True
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QUESTION 40
kiruha [24]

Answer:

The correct answer is motion.

Explanation:

Lipids are the important constituents of plasma membrane. For example phospholipid,glycolipid,splingolipid,cholesterol builds most of the structural framework of the cell membrane.

Lipids plays an important role during cell signaling For example the phosphotidy inositol 4,5 bisphosphate one of important component of  the inner leaflet of the the plasma membrane undergo hydrolysis to form Diacylglycerol(DAG) and inositol triphosphate(IP3).Both IP3 and DAG act as second messenger.

Lipid act as an insulator of myelein sheath that helps in the saltatory conduction of nerve impulse across the axon of unmyelinated nerve fibre.

 Lipid does not involve in motion

3 0
3 years ago
What is the major part of a blood cell
Dafna1 [17]
The primary function of red blood cells<span>, or </span>erythrocytes<span>, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs. Hemoglobin (Hgb) is an </span>important<span> protein in the red</span>blood cells<span> that carries oxygen from the lungs to all </span>parts<span> of our body.</span>
4 0
3 years ago
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true or false? to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thor
faltersainse [42]

The thorax is a very vital and important organ in the human body.

  • It is a structure that serves as a<u> </u><u>protective covering</u> for organs in the body such as<u> the lungs, the heart, some vital blood vessels</u> e.t.c

It is<u> false</u> that to <em>make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.</em>

  • When a person breathes in,  <u>the chest cavity expands (the volume increases) and the pressure in the thorax decreases.</u>

  • When a person breathes out, <u>the chest cavity decreases in size, and the pressure in the thorax increases. </u>

  • Therefore, we can see that the <u>process of breathing in humans</u>, follows the <u>principle of Boyle's Law.</u>

  • Boyle's law states that as the<u> volume increases there is a decrease in pressure</u> and <u>as the volume decrease there is an increase in pressure. </u>

Therefore, It is <u>false</u> that to <em>make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.</em>

To learn more, visit the link below:

brainly.com/question/24359876

3 0
3 years ago
Which is the first indicator of an infection in the body?
gayaneshka [121]
Which is the first indicator of an infection in the body?
<span>
B. an increase in the number of WBCs in the blood</span>
3 0
3 years ago
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The diagram illustrates the activity of vesicles during a cellular process. Which statement best explains the function of the ve
Blizzard [7]

B

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4 0
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