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Bess [88]
3 years ago
15

Which of the following statements provides the best explanation for why the environmental movement started growing in the US in

1970? A. The media brought an increasing number of incidents of pollution to the public's attention. B. The Republican administration needed a cause to divert the public's attention from the Vietnam War. C. The prosperity that resulted from the growing economy provided the funds to begin cleaning up toxic waste sites. D. The nation was stirred into action by The Greening of America, a book written by Charles Reich.
Geography
1 answer:
Lelechka [254]3 years ago
7 0
<span> A. The media brought an increasing number of incidents of pollution to the public's attention.</span>
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The distance from Earth of the red supergiant Betelgeuse is approximately 643 light-years. If it were to explode as a supernova,
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Answer: The brightness of our if betelgeuse were to explode as as a supernova would by getting the ratio betelgeuse to sirius. Which would then be:

Apparent brightness of Betelgeuse

÷ Apparent brightness of Sirius=

6.9×10^4 Lsun.

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3 years ago
Many cultures have a long history of discrimination against?
kozerog [31]
Many cultures have a long history of discrimination against African Americans.
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3 years ago
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How are igneous rocks formed? hints how are igneous rocks formed? igneous rocks are formed only from material ejected during a v
Alinara [238K]

Igneous rock are formed by the cooling and crystallization of molten rock and are formed by the cooling of magma above earth's surface.

Let's look into the statements one by one:

Igneous rocks are formed only from material ejected during a volcanic eruption.

-This is not true because igneous rock can also be formed by the cooling down of magma inside a volcano or magma that was trapped in the crack of crust.

Igneous rocks are formed by the cooling and crystallization of molten rock.

-This is correct.

Igneous rocks are produced by the weathering and transport of pre-existing rocks.

-This is incorrect as igneous rock is formed by volcanism. The rock that are formed with the statement is sedimentary rock.

Igneous rocks are formed by the cooling of magma above earth's surface and lava below the surface.

-This is correct. Both intrusive and extrusive volcanic activity forms igneous rock after cooling down.

Igneous rocks are formed by recrystallization

-This is not true as recrystallization does not take place in the formation of the igneous rock. The rock formed by recrytillization is metamorphic rock.

Therefore,the igneous rock are formed by the cooling and crystallization of molten rock and are formed by the cooling of magma above earth's surface.

Hope it helps!

7 0
3 years ago
Explain the Theory of Plate Tectonics. Write a claim below that explains how the continents moved over time and introduces 3 pie
melomori [17]

Answer:

theory dealing with the dynamics of Earth’s outer shell—the lithosphere—that revolutionized Earth sciences by providing a uniform context for understanding mountain-building processes, volcanoes, and earthquakes as well as the evolution of Earth’s surface and reconstructing its past continents and oceans.

The concept of plate tectonics was formulated in the 1960s. According to the theory, Earth has a rigid outer layer, known as the lithosphere, which is typically about 100 km (60 miles) thick and overlies a plastic (moldable, partially molten) layer called the asthenosphere. The lithosphere is broken up into seven very large continental- and ocean-sized plates, six or seven medium-sized regional plates, and several small ones. These plates move relative to each other, typically at rates of 5 to 10 cm (2 to 4 inches) per year, and interact along their boundaries, where they converge, diverge, or slip past one another. Such interactions are thought to be responsible for most of Earth’s seismic and volcanic activity, although earthquakes and volcanoes can occur in plate interiors. Plate motions cause mountains to rise where plates push together, or converge, and continents to fracture and oceans to form where plates pull apart, or diverge. The continents are embedded in the plates and drift passively with them, which over millions of years results in significant changes in Earth’s geography.

The theory of plate tectonics is based on a broad synthesis of geologic and geophysical data. It is now almost universally accepted, and its adoption represents a true scientific revolution, analogous in its consequences to quantum mechanics in physics or the discovery of the genetic code in biology. Incorporating the much older idea of continental drift, as well as the concept of seafloor spreading, the theory of plate tectonics has provided an overarching framework in which to describe the past geography of continents and oceans, the processes controlling creation and destruction of landforms, and the evolution of Earth’s crust, atmosphere, biosphere, hydrosphere, and climates. During the late 20th and early 21st centuries, it became apparent that plate-tectonic processes profoundly influence the composition of Earth’s atmosphere and oceans, serve as a prime cause of long-term climate change, and make significant contributions to the chemical and physical environment in which life evolves.

Explanation:

<h2>brainliest would be appreciated</h2>
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Lyrx [107]

Answer:

izuna

Explanation:

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