1. Which of the following is an accurate description of Mecca before the introduction of Islam? A. Learned men gathered there to debate the doctrines of Zoroastrianism and Judaism. B. The Roman and Ptolemaic empires had already influenced the city and its surrounding region. C. Mecca was a kind of paradise, with flowing rivers, lush grasses, and bountiful fruit trees. D. Mecca contained a revered sanctuary where polytheistic Meccans worshipped.

Answer:

B. False

Explanation:

All asteroids do NOT orbit the earth. They orbit the asteroid belt, however.

When meteoroids enter Earth's atmosphere, or another planet, such as Mars, at high speeds and burn, they are called meteors.

A meteorite is a solid fragment of debris from an object, such as a comet, asteroid, or meteoroid, that emerges from space and survives as it passes through space to reach the surface of a planet or moon.

When meteoroids enter the Earth's atmosphere they come at great speed. Many burn. The fireballs or "shooting stars" they have are called meteors.

Thus, a meteoroid survives a space trip and crashes to the ground. If so, it is called a meteorite. Option D is the correct statement.

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Answer:

a. Emergent coastlines

Explanation:

The emergent coastlines are the coastlines that are lifting further up from the sea level. This can be either by fall of the sea levels, or by isostatic rebound. Since in the present we do not have fall of the sea levels, but the opposite, rise of the sea levels, the only way that a coastline can be emergent is by isostatic rebound. The isostatic rebound occurs at places that were once under thick ice sheet. The ice sheets put a lot of weight on them and pressed them lower, but as the ice sheets have melted, the weight is there no more, so the land is lifting up again, causing the coastline to rise quickly than the rise of the sea level. As this process happens, what was once a beach comes to be more of a cliff feature, while the cliffs have gone further away from the sea and there are new beaches that are forming below them at the places that were once covered with water. This process can easily be seen in the present on the western Scottish coastline.

The areas of coastline uplifting faster than the rise in sea level are called emergent coastlines. Emergent coastlines are formed from geological activity like tectonic uplift, exposing previously submerged areas.

The Emergent coastlines fit the description given in your question. Emergent coastlines are formed when land rises due to geological activity, such as tectonic uplift, and outpaces the rise of sea levels. In these regions, formerly submerged areas may become exposed, creating new stretches of coastline.

Contrarily, Submergent coastlines are areas where the sea level has risen relative to the land, leading to flooding and the creation of features like bays and lagoons. So, in this case, only Emergent coastlines are uplifting faster than the sea is rising.

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The house in the middle because it's the closest to an inclined terrain.

Answer:

- increased levels of human-produced carbon dioxide have enhanced the greenhouse effect

- volcanoes are the largest source of greenhouse gases

Explanation:

The greenhouse effect is cause by the presence of greenhouse gases in the atmosphere, such as the carbon dioxide and methane. These gases have the ability to trap the heat into the Earth's atmosphere in much greater percentage, resulting in warming up of the atmosphere, thus the global climate as well. The biggest source of these gases are the volcanoes, being responsible for pretty much all of the greenhouse gases in the atmosphere for most of the geological history of the Earth. Despite still being number one, the volcanoes get assisted by the human activity in the past two centuries when it comes to greenhouse emissions into the atmosphere. By using the fossil fuels to produce energy, which means burning them, the humans have constantly been increasing their contribution in the amount of greenhouse gases released into the atmosphere. If that trend continues with this tempo, we might experience more dramatic climate change in the near future which can have been consequences.

The true statement regarding the greenhouse effect is that increased levels of human-produced carbon dioxide have enhanced the greenhouse effect. Therefore, option A is correct.

The greenhouse effect refers to the process in which certain gases in the Earth's atmosphere trap and re-emit heat, leading to the warming of the planet. It works by allowing sunlight to pass through the atmosphere but trapping the heat radiated back from the Earth's surface.

This natural phenomenon is essential for maintaining a livable temperature on Earth. However, human activities, such as the burning of fossil fuels, have increased the concentration of greenhouse gases, such as carbon dioxide, intensifying the greenhouse effect and contributing to global warming.

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Answer:

it is the house that is in front of the mountain.

Explanation: