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PtichkaEL [24]
3 years ago
8

An element is determined by the number of?

Biology
1 answer:
galina1969 [7]3 years ago
8 0

Answer:

The number of protons in the nucleus of an atom determines an element's atomic number

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Which vessel(s) return(s) oxygenated blood to the left atrium of the heart to complete the pulmonary circuit? Group of answer ch
LiRa [457]

Answer:

pulmonary vein

Explanation:

The pulmonary veins

transfer oxygenated blood from the lungs to the heart.

It helps complete the pulmonary circuit, by receiving oxygenated blood in the alveoli and returning it to the left atrium.

8 0
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olya-2409 [2.1K]

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Cuticles antennae auditory ossicles are parts of arthropods bodies that allow them to breathe air
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3 years ago
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If element x has 73 protons, how many electrons does it have?
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If the element has not become an ion yet, then there is 73 electrons.
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3 0
3 years ago
As a child, Alex was short for his age. But during his teenage years, his height increased and he surpassed most of his friends.
Vladimir79 [104]

Answer:

B. Cells in Alex’s body underwent mitosis to create new tissue

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Mitosis is the cell division that forms two genetically identical daughter cells from one parent cell. It occurs in somatic cells and is responsible for the growth and development of individuals.  

Alex gained the height as the cells in tissues of his body underwent the mitosis and produced new daughter cells. Repeated cycles of mitosis added a large number of new cells to his body to form new tissues in his body parts and caused an increase in his height.  

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3 years ago
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