Answer:
Which conclusion is supported by this data?
A.
There are fewer TVs in the United States today than there were in 1954, based on the data in the last row.
B.
While the U.S. share of global televisions has decreased, global distribution has increased over time.
C.
Today, there are more TVs in the United States than there are people.
D.
The density of TVs in the United States doubles approximately every 20 years.
E.
In the 1950s, approximately one-third of all U.S. households owned a TV.
i feel like its a but i just wanna see what other people say
Explanation:
Answer:
In physical geography, tundra is a type of biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian (tûndra) from the Kildin meaning "uplands", "treeless mountain tract".[1] Tundra vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow in some tundra regions. The ecotone (or ecological boundary region) between the tundra and the forest is known as the tree line or timberline. The tundra soil is rich in nitrogen and phosphorus.[2]
The basic force that drives plate tectonics are the convection currents.
Explanation:
The surface of Earth is cracked and divided into numerous tectonic plates. Some tectonic plates are very large, thus considered as major plates, while some are significantly smaller. There is constant motion of the tectonic plates, and they constantly move in some direction, causing the occurrence of numerous geological activities.
The tectonic plates don't just move on their own, but there is a driving force. That driving force comes from below them, from the mantle layer, in the form of the convection currents. The convection currents basically represent a circular motion (down-up), where the cooler and denser rocks sinks, while the hot and less dense ones go up, making enormous pressure on the surface.
Some of the major tectonic plates are:
- Eurasian
- North American
- African
- Pacific etc.
Some of the smaller tectonic plates are:
- Arabian
- Cocos
- Philippine
- Juan de Fuca etc.
Learn more about convection currents brainly.com/question/223549
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The magnetic stripes on the ocean floor was a theory that scientists created. It was said that the patterns of the rock, and we all know that the earth acts like a magnet (north and south poles). It was said that Earth's magnetic poles have reversed themselves many times during the Earth's history.
The rock of the ocean floor contains iron. The rock began as molten material that cooled and hardened. As the rock cooled, the iron bits inside lined up in the direction of Earth’s magnetic poles.
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