Why do the tectonic plates move (the earths)

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Asked 3/24/2010 11:06:18 AM

Updated 145 days ago|7/12/2024 8:53:37 AM

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User: Why do the tectonic plates move (the earths)

Weegy: Tectonic plates are composed of the crust and upper mantle rock which is lighter than the more dense mantle. Rising and falling convection currents in the mantle cause imperceptibly slow movements in the plates (on the rate of fingernail growth). [ The source of the heat driving the convection currents comes from residual heat from the Earth's formative processes, pressure from gravity, and from radioactive decay of elements. Convection currents inside Earth provide the mechanism for plate motion. ]

User: what are the main ideas of the big bang theory?

Weegy: One of the main ideas is that when the universe started out it was a hot clump of matter. then it exloded into what we have today. since the explotion we are still driffting outwards filling all of space.

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Asked 3/24/2010 11:06:18 AM

Updated 145 days ago|7/12/2024 8:53:37 AM

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Whitecæt

The movement of tectonic plates is primarily driven by the convective currents in the Earth's mantle, causing plates to drift apart, collide, or slide past each other.

Added 145 days ago|7/12/2024 8:52:38 AM

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Whitecæt

The Big Bang theory posits that the universe originated from an extremely hot and dense state about 13.8 billion years ago, and has since been expanding and cooling.

Added 145 days ago|7/12/2024 8:53:37 AM

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why might a polluted river contain different plants and animals to a non-polluted river?

Weegy: The more sensative plants and animals would be unable to live in the polluted river. More robust plants and animals might be able to withstand higher levels of pollution so they could live and even be more successful in the polluted river. [ This is because the tougher plants and animals would be able to fill in where the weaker or more sensative plants and animals got killed off. ] (More)

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Updated 7/4/2023 12:48:38 AM

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Aj25

A polluted river might contain different plants and animals to a non-polluted river because of the ecosystem. These changes can lead to the disappearance of sensitive species and the proliferation of pollution-tolerant organisms, resulting in a shift in the composition of plant and animal life.

Added 7/4/2023 12:48:38 AM

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Smoke from power stations contains several gases that pollute the atmosphere. Name one of the gases?

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