Answer:
B. Geothermal refers to heat sources on the Earth’s crust
Explanation:
- The geothermal energy is the heat that is derived from the storing of energy that creates by the earth's temperature and the earth's crust is origin for this type of energy along with the radioactive decay of the elements of the crust.
- <u>Thus said to be earth's internal heat and needs to be trapped as it can get lost during the formation stages. </u>
- The temperature that occurs at the earth's core and the metal zone reaches up to 4000°C and thus the high temperature causes the rocks to melt and give rise to the temperature in the plastic mantle to get activated by the convection currents that reach the surface.
- Some examples of this geothermal energy are those of the hot spring and the rising lava or the magmas.
Answer:
Glacier Landforms: Trough. Glacial troughs, or glaciated valleys, are long, U-shaped valleys that were carved out by glaciers that have since receded or disappeared. Troughs tend to have flat valley floors and steep, straight sides. Fjords, such as those in Norway, are coastal troughs carved out by glaciers.
Or: Steep U shaped valleys that connect with the sea and fill with water when the glaciers melt. Now keep scrolling;)
Explanation:
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Below are the choices. the answer is C.
A) mass extinctions, leading to bottleneck effect
B) major evolutionary innovations, leading to rafting to nearby continents
C) a variety of empty ecological niches, leading to adaptive radiation
<span>D) adaptive radiation, leading to founder effect</span>
<u>Answer:</u>
International communities are created when people or governments from different nations form associations on the basis of certain values, rules, interest etc.
<u>Explanation:</u>
- International Communities congregate together to show their support and strength for any particular cause.
- The interactions that happen in the International Community create historical, political and socio-economic consequences for the people of the participating nations.
- Example: The United Nations pressurizing the developed countries to decrease greenhouse gas emissions.
Answer:
The answer it's on the Explanation:
Explanation:
The origins of the great civilization known as the Byzantine Empire can be traced to 330 A.D., when the Roman emperor Constantine the Great dedicated a "new Rome" on the site of the ancient Greek colony of Byzantium. Though the western half of the Roman Empire fell in 476, the eastern half survived for 1,000 more years, spawning a rich tradition of art, literature and learning and serving as a military buffer between the states of Europe and the threat of invasion from Asia. The Byzantine Empire finally fell in 1453, after an Ottoman army stormed the Byzantine Empire during the reign of Constantine XI.
