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iren [92.7K]
3 years ago
6

What holds atoms together in a molecule

Biology
1 answer:
Sergeeva-Olga [200]3 years ago
8 0
Energy holds them together.
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Mark observes that sugar dissolves faster in hot water than in cold water. He wants to conduct an experiment to understand the s
Vera_Pavlovna [14]

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i think that it it is C.Does the temperature affect the solubility of a given substance because it thas the temp that was the only difference in the original experiment. hope this helps.

Explanation:

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What is radiation? Transfer of heat through objects touching the source transfer of heat through direct physical contact transfe
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transfer of heat through electromagnetic waves

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Why is your respiratory system necessary for your body to live
Sonja [21]

Answer:

The respiratory system is necessary for an organism's body to live because it introduces oxygen-rich air, which is needed to perform vital functions, while at the same time promoting the elimination of carbon dioxide.

Explanation:

Oxygen (O₂) is necessary for life because it participates in the process of cellular respiration, a mechanism that allows the oxidation of glucose to form energy in the form of ATP.

The respiratory system is made up of a set of organs that carry air into the body and facilitate gas exchange, i.e. the entry of O₂ into the blood and the elimination of potentially harmful carbon dioxide (CO₂).

This exchange of gases occurs in structures called pulmonary alveoli, whose surface is located in relation to the pulmonary capillary vessels.

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Both O₂ and CO₂ require a transport molecule in the blood, red blood cell hemoglobin, which binds the gases and allows them to be transported to and from the tissues.

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7 0
3 years ago
Hominins dating from 500,000 to 200,000 years ago possessing morphological features found in both Homo erectus and Homo sapiens
Mila [183]

Answer:

Archaic Homo sapiens

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The evolution of modern species is studied through the fossils found in various parts of the world.

The <em>Homo erectus </em>is the first hominin species which possessed human-like characteristics like bipedalism and they appeared about 2 mya. The first evidence of <em>Homo sapiens</em> fossil belonged to about 1,60000 years ago.

In between them, scientists found some fossils which possess characteristics of both Homo erectus and Homo sapiens, therefore, these fossils were called archaic Homo sapiens. These fossils dated about 300000 years ago.

Thus, Archaic Homo sapiens is correct.

5 0
3 years ago
What small bones connects to a birds head
Llana [10]
The anatomy is attached to the birds head

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