Which of the following represent human systems?Hoover Dam
genetic engineering
volcanic eruptions
the Panama Canal
plate tectonics

Answer:

antarctica

Explanation

Since the Industrial Revolution period, humans have contributed to the destruction of the Ozone Layer. The release of carbon dioxide, nitric and nitrous oxides, and chlorofluorocarbons in the atmosphere make it impossible to renew ozone, allowing ultraviolet rays to penetrate the planet's surface with greater intensity.

In 1987, researchers first observed the existence of a large hole in the Ozone Layer in the Antarctic area. From then on, several surveys concluded that the ozone level has been decreasing in other parts of the planet.

Volcanic activity is a way that carbon enters the atmosphere. Hence, option C is correct.

What is meant by Volcanic activity?

Volcanic activity includes gas emissions, non-explosive lava emissions, and extremely powerful explosive bursts that can last for several hours. The relative numbers, types, and patterns of eruptions have an impact on the forms and sizes of volcanoes.

Due to the extreme heat found deep below the Earth, some rocks slowly melt and condense into lava. Magna's chambers are spaces where magma rises and collects because it is lighter than the solid rock around it. Eventually, some of the magma rushes through cracks and vents to the Earth's surface.

An eruption occurs when lava and gas are released from a volcano, frequently in an explosive manner.

Thus, option C is correct.

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The options are missing-

1. deposition of sediment

2. burial of biomass

3. volcanic activity

4. photosynthesis

what the person means the answer is B. A Fall line

The Big Bang Theory is a widely accepted scientific explanation for the origin of the universe.

↪ According to this theory, the universe began as a singularity—an infinitely dense and hot point—in an event known as the Big Bang. Around 13.8 billion years ago, this singularity began to expand rapidly, resulting in the formation of all matter, energy, space, and time.

As the universe expanded and cooled, subatomic particles like protons, neutrons, and electrons began to form. These particles eventually combined to create atoms, which in turn formed molecules. Over billions of years, gravity led to the clumping of matter, giving rise to galaxies, stars, and planetary systems.

One of the key pieces of evidence supporting the Big Bang Theory is the observed cosmic microwave background radiation—a faint glow of radiation that fills the universe. This radiation is a remnant of the initial moments after the Big Bang and provides valuable insights into the universe's early conditions.

Additionally, the abundance of light elements like hydrogen and helium in the universe also aligns with the predictions of the Big Bang Theory. As the universe expanded and cooled, the conditions became suitable for the formation of these elements.

While the Big Bang Theory provides a comprehensive explanation for the universe's origin and early evolution, there are still questions that remain unanswered, such as the nature of dark matter and dark energy, which together make up most of the universe's content.

In summary, the Big Bang Theory posits that the universe began as a singularity and has been expanding and evolving ever since. This theory has garnered substantial evidence and support from observations and experiments, offering a compelling narrative for the origin and development of our universe.

The statement is - True.

The newest generation of nuclear power plants are more advanced than the older ones, which is understandable considering the big advancements in the technology in recent times.

This new nuclear power plants are more efficient, thus manage to produce more electricity which is extremely important in a world where the demand for electricity is ever growing. Also, they are safer, and the chances of incidents are significantly decreased, which is a huge relief considering the fact that a nuclear catastrophe is very dangerous and has long term negative effects.