What evidence do scientists have that electrons can move move from one energy level to another?

1 answer:

4 0

Light. When an electron falls to a lower orbit it gives off energy as a photon. Spectral lines give evidence of electrons moving from one energy level to another within the atom.

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Which level(s) of organization are the main focus of Vitor Becker's work?

Olenka [21]

Answer:

Community and ecosystem levels of organization are the main focus areas of Vitor Becker’s work. 

Explanation:

Serra Bonita reserve complex was established by Vitor Becker and his wife Clemira Souza in the Atlantic forest of Brazil. He studied agronomy and forestry and has a Ph.D in entomology.

Becker realized that the Atlantic forests are largely destroyed. After retirement Becker and Souza settled in the Serra Bonita mountain region and using their savings they bought land in the region and converted the area into Serra Bonita reserve complex. 

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What happens when potassium ions continue to enter into the neuron after generation of an action potential?

nadya68 [22]

As the action potential passes through, potassium channels stay open a little bit longer, and continue to let positive ions exit the neuron. This means that the cell temporarily hyperpolarizes, or gets even more negative than its resting state.

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What do the cell walls of plants and the extracellular matrix of animal cells have in common?

Tasya [4]

here you go

Explanation:

What do the cell walls of plants and the extracellular matrix of animal cells have in common? They have functional connections with the cytoskeleton inside the cell.

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What organisms need nitrogen to survive

Roman55 [17]

Answer:

Animals and plants need nitrogen to build amino acids in proteins, which are the building blocks of life. Unlike oxygen, nitrogen cannot be absorbed directly from the air by animals and plants.

Explanation:

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Identify the choice that best completes the statement or answers the

mixer [17]

Evaporation of the liquid

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