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Irina-Kira [14]
3 years ago
6

What characteristics of mercury make it so unusual?

Geography
1 answer:
Ymorist [56]3 years ago
7 0

Answer:

Mercury has a unique electron configuration which strongly resists removal of an electron, making it behave similarly to noble gas elements. As a result, mercury forms weak bonds and is a liquid at room temperature. Mercury dissolves to form amalgams with gold, zinc, and many other metals.

Explanation:

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What are landforms that can cause an earthquake
lozanna [386]

Answer:

The boundaries where the tectonic plates meet are the areas of the world with the most violent natural earthquake activity. When the plates grind against each other along plate boundaries, the rocks are under so much pressure that sometimes they heat up and fold, creating mountain ranges, hills and valleys.

7 0
3 years ago
Process of Science: Explaining the Motions of Planets. To ancient astronomers, the motions of the Sun, the Moon, and the stars s
Sedbober [7]

Answer:

<u>Geocentric Model</u>: - this model is Earth Centered

-Retrograde motion is explained by epicycles

<u>Heliocentric Model</u>: - This model is Sun Centered

-Retrograde motion is explained by the orbital speeds of planets

<u>Both models</u>:- Epicycles and deferents help explain planetary motion

-Planets move in circular orbits and with uniform motion

-The brightness of a planet increases when the planet is closest to Earth

Explanation:

Retrograde motion is an apparent change in the movement of the planet through the sky. Ptolemy's model of the solar systems was geocentric, where the Sun, Moon, planets and start all orbit the Earth in perfectly circular orbits. However this perfectly circular orbits around the Earth did not explain the occasional retrograde motion of the planets. In the Copernicus' heliocentric model, retrograde motion of planets is naturally explained. The explanation for retrograde motion in a heliocentric model is that retrograde occurs roughly when a faster moving planet catches up to and passes a slower moving planet.

8 0
3 years ago
Iceland is located between the Eurasian and North American
LekaFEV [45]

Answer:

volcanoes

Explanation:

As the plates moved apart, excessive eruptions of lava constructed volcanoes and filled rift valleys. Subsequent movement rifted these later lava fields, causing long, linear valleys bounded by parallel faults. The divergence of the ridge started in the north about 150 million years ago and 90 million years ago in the south. These movements continue today, accompanied by earthquakes, reactivation of old volcanoes, and creation of new ones. I hope this helps!!

6 0
3 years ago
Why does Slovakia have a more vibrant agricultural sector than the neighboring<br> Czech Republic?
Sphinxa [80]

Answer:

Because of the fertile plains of the Danube River.

Explanation:

Slovakia and Czechia (formerly the Czech Republic) despite being part of a single country until three decades ago, and being neighbors with very close ties, have developed differently and their economies have a lot of differences. One of the biggest differences is that Slovakia has a highly developed agricultural sector while Czechia's is very small and doesn't contribute much to the economy.

s The reason for this difference is geography. Slovakia has a relatively large and very fertile plain, with the Danube River being a big plus in it. This provides Slovakia with enough area and very good conditions so that it can have a prosperous agricultural sector. Czechia, on the other hand, is almost entirely covered with mountains and hills, and the little area of the handfull of valleys is mostly urbanized, thus the country doesn't have what it needs to develop the agricultural sector.

5 0
3 years ago
What religion was practiced in Oceania before the arrival of Europeans
IceJOKER [234]
The answer to your question is hindiusim 
8 0
3 years ago
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