Which statement is true according to the quantum model of the atom?When an electron drops down from a high energy level to a lower one, light energy is emitted.
When an electron jumps up from a low energy level to a higher one, light energy is emitted.
Every orbit around the nucleus of an atom is the same energy level.
After they emit light, electrons are sucked into the nucleus of the atom.

Answers

Answer 1

Answer:

Answer: Option (a) is the correct answer.

Explanation:

Every orbit has a fixed value of energy which means that energy is quantised. When heat is absorbed by the atom then the electrons go from low energy level to high energy level.

Whereas when heat or energy is released by the atom then electrons move from high energy level to low energy level. As a result, this heat is released in the form of visible light.

Thus, we can conclude that the statement when an electron drops down from a high energy level to a lower one, light energy is emitted, is true according to the quantum model of the atom.

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Three components common to all amino acids

Answers

Amino Group, Carboxyl Group, and the R group

Rain forests cover just 6 percent of the Earth’s land surface, yet they contain _____ percent of Earth’s species.

Answers

rain forests contain 70 percent of Earth's species.

yes 70% of earths species are in the rain forest

Cycles are essential to all living organisms.
a. True
b. False

Answers

true

The biogeochemical cycles move through mainly the biotic and abiotic components of the earth, more elaborately the spheres -biospheres, lithosphere, hydrosphere and atmosphere regions of the ecosystem. These biogeochemical cycles, from its terminology and discernable word morphology- involves the biological, geological and chemical components that make out to complete an exact and purposed cycle. The purpose in these cycles are to maintain balance and to ensure the ongoing process of the living and non-living organisms in the environment. These cycles’ help to living organisms survive and thrive. One popular example is the water cycle.

Answer:

True

Explanation:

If an ecosystem’s balance is disturbed by a volcanic eruption, what will most likely occur?

Answers

A volcanic eruption can have a significant impact on an ecosystem, disrupting its balance and affecting the various organisms that inhabit it. The exact effects of the eruption on the ecosystem will depend on various factors, such as the size of the eruption, the type of volcano, the location of the eruption, and the surrounding environment.

What are the various impacts of such destruction ?

One of the most immediate and obvious impacts of a volcanic eruption is the destruction of the local vegetation and wildlife. The intense heat, ash, and lava can kill plants and animals directly or destroy their habitats. This can lead to a decline in biodiversity, which can have long-term consequences for the ecosystem.

Volcanic eruptions can also release large amounts of gases and particles into the atmosphere, which can affect air quality and climate patterns. For example, sulfur dioxide and other gases can react with water vapor to form sulfuric acid, which can lead to acid rain. Ash particles can block sunlight and reduce photosynthesis, affecting the growth and survival of plants.

In addition, volcanic eruptions can trigger other environmental hazards, such as landslides, mudflows, and tsunamis. These events can cause further damage to the ecosystem and disrupt the balance of the local environment.

Overall, the impact of a volcanic eruption on an ecosystem can be severe and long-lasting. However, ecosystems are also resilient and can often recover over time, depending on the severity and duration of the eruption, as well as the capacity of the local organisms to adapt and survive.

Learn more about volcanic eruption at :

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Many plants will be destroyed and animals will be killed. Famine and many other things will surely occur because of the eruption and there would even be more related to it such as earthquakes or tsunamis. The aquatic life would be greatly affected due to changes in the temperature and its acidity. Thus, the fishermen would surely have a hard time in their living.

The age-sex structure of a quickly growing population would probably havea. a wide base, showing many young individuals.
b. a wide top, showing many older individuals.
c. a wide middle area, showing many middle-aged individuals.
d. all of the above