Answer:
What is a tectonic plate?
A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest. Plate thickness also varies greatly, ranging from less than 15 km for young oceanic lithosphere to about 200 km or more for ancient continental lithosphere (for example, the interior parts of North and South America).
How do these massive slabs of solid rock float despite their tremendous weight? The answer lies in the composition of the rocks. Continental crust is composed of granitic rocks which are made up of relatively lightweight minerals such as quartz and feldspar. By contrast, oceanic crust is composed of basaltic rocks, which are much denser and heavier. The variations in plate thickness are nature's way of partly compensating for the imbalance in the weight and density of the two types of crust. Because continental rocks are much lighter, the crust under the continents is much thicker (as much as 100 km) whereas the crust under the oceans is generally only about 5 km thick. Like icebergs, only the tips of which are visible above water, continents have deep "roots" to support their elevations.
Most of the boundaries between individual plates cannot be seen, because they are hidden beneath the oceans. Yet oceanic plate boundaries can be mapped accurately from outer space by measurements from GEOSAT satellites. Earthquake and volcanic activity is concentrated near these boundaries. Tectonic plates probably developed very early in the Earth's 4.6-billion-year history, and they have been drifting about on the surface ever since-like slow-moving bumper cars repeatedly clustering together and then separating.
Like many features on the Earth's surface, plates change over time. Those composed partly or entirely of oceanic lithosphere can sink under another plate, usually a lighter, mostly continental plate, and eventually disappear completely. This process is happening now off the coast of Oregon and Washington. The small Juan de Fuca Plate, a remnant of the formerly much larger oceanic Farallon Plate, will someday be entirely consumed as it continues to sink beneath the North American Plate.
Hope it helps
explain the importance of seas and oceans to people living on island and costal areas
Hey there! I'm happy to help!
First of all, the seas and oceans provide fish, crabs, lobsters, and other sea animals which are very important to the nourishment/economy of the area. Many people living in Pacific islands, for example, might depend on fishing for food. Louisiana is famous for their crawfish, Maine their lobster, etc. Those are very important parts of their local economy.
Additionally, they contribute to a sense of place. For these areas. It is hard to picture Southern California, Hawaii, Florida, Bali, and other oceanside locations without the beautiful beaches and rolling waves. This is very important to people who live in and/or visit these areas.
Have a wonderful day and keep on learning! :D
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Answer:
Erosion: meander, waterfall, flood plain
Deposition: alluvial fan, delta, oxbow lake
not entirely sure cause I barely remember learning about this and just searched this up.
Explanation:
What latitude and longitude is Pitcairn Island?
$ \longrightarrow $ The longitude and latitude of Pitcairn Island is as follows;
Latitude :-24° 22' 36.28" S Longitude :-128° 19' 27.25" W[tex] \\ [/tex]
(Will mark as brainlist, only correct answer please help me)
Write down how our oceans are getting pollutted and atleast five remedies which can help us to reduce.
Answer:
are oceans are getting polluted by humans not properly throwing a way plastics and trash
Explanation:
1. limit the plastic we use and recycle the plastic we do use
2. Convince humans why they should stop killing the ocean
3. Have volunteers help clean the ocean
4. reduce any other substance such as glass, cardboard, etc. that get throw away by making less of the item
5. make more laws that prevent anything that could lead to pollution in the ocean
en donde esta ubicado paraguay
Answer:
South America
Sudamerica
Explanation:
Identity landmarks natural man made
A man made forest example is Changa Manga in Pakistan or Mount Rushmore.
i dont know if that was what your answer was looking for but there you go!
Volcanic activity and the movement of tectonic plates are examples of _____.
ecological processes
human modification
climatology
erosion
geomorphic processes
Answer:
geomorphic processes involves vulcanicity and tectonic plates movements
How are the five themes of geography and the six essential elements similar? How are they different?
Answer: The two systems are very similar because the six essential elements build on the five themes. For example, the element Places and Regions combines two of the five themes of geography—Place and Regions. ... For example, the last element, The Uses of Geography, deals with issues not covered in the five themes.
Explanation: hope this helps
Name the factors influencing agriculture?
Answer:
They are
1 topography
2 climate
3 soil
4 market
5 transportation facilities
Hope this helps
PLEASE HELP!!!
What do maps and globes help us understand in geography
Answer:
The size of our world on a small scale, also locating things (such as continents, or other landforms.) Another thing it is used for is knowing where you are.
Method:
Above :)
How can earth’s processes and patterns can result in differentiation of features in different oceans?
Answer: These processes in the tectonic plates in the crust, wind and water erosion, and deposition shape features on Earth's surface.
Explanation:
The majority of the population of Central Asia practices _____.
Which landform does not appear in Alaska?
plateaus do not appear in Alaska. make sure to use the given key on the map
What country is south of Macedonia
North Macedonia, officially the Republic of North Macedonia, is a country in Southeast Europe. It gained independence in 1991 as one of the successor states of Yugoslavia.
What tropic line is closest to American Samoa?
Answer:
Tropic of capricon
Explanation:
Which word best describes Montreal?
A. Multicultural
B. Rural
C. Homogenous
D. exclusive
Answer:
A. Multicultural
Explanation:
Montreal is a melting pot of people from all sorts of cultures
which technology involves making large layered maps
Answer:
GIS
Explanation:
Within the _____, all of the Earth's other spheres work together.
biosphere
troposphere
lithosphere
hydrosphere
atmosphere
Hey there! I'm happy to help!
Within the biosphere, all of the Earth's other spheres work together.
The root word "bio" means life, and in biology, that is what we are studying! The biosphere encompasses the life in all parts of the Earth. The water (hydrosphere), the air (atmosphere and troposphere), and the ground (lithosphere). These are all driven by life, which is what they all have in common.
Have a wonderful day and keep on learning! :D
outline five reasons for industrial localisation
Answer:
Climatic Conditions
Nearness to Raw Materials
Nearness to Sources of power
Nearness to Markets
Adequate and Trained Labor
Explanation:
Need this answered now please all parts of number 3
Answer:
for c it is 36000
What is the purpose of splitting the ocean into seas
Answer:
because of were they are located and parts of history in each sea. Also certain parts could be different such as fresh water and salt water, different parts of the ocean also could have been explored by different a people or at different times. fun fact The Atlantic ocean was part of the ocean beyond the pillars of Heracles.
What is plantation agriculture
Answer:
the production of commodity crops in large-scale agribusiness organizations termed plantations which have a strict bureaucratic internal structure is called plantation agriculture
What can you infer from the text as to the reason why Antarctica has no permanent residents?
what is sustamable
Develpment
Answer:
Sustainable Development is the ability of present generation to meet their needs without compromising the ability of future generation to meet their own needs.
WILL MARK AS BRAINLIST FOR GOOD EXPLANATION PLEASE HELP :(
Q: Write a comprehensive note on the importance of ocean
Why? Global warming has affected various countries throughout the globe. In what ways has it affected India and her neighbouring country Bangladesh situated in the Ganga-Brahmaputra Basin? Suggest a few measures to curb such impacts.
Explanation:
to reduce global warming follow these statement
stop of cutting down treesstopping pollutionreducing factory airDescription of settlement
Does anyone know 2,3, and 4? I need help
Answer:
For the questions above there answers are listed below
2. D
3. B
4. C
does a siphon work in vaccume
Answer:
The functioning of siphon is based on the atmospheric pressure.If there is vaccum, i.e., there is no atmospheric pressure, then there is no force on the liquid that can push the liquid into the siphon and siphon does not work.
Explanation:
No it doesn't work in vaccum
What country does the Tigris and Euphrates river end in?
Answer:
The end in Iraq and dump into the Persian Gulf.
Explanation:
They start in Turkey then flow to the Persian Gulf.