What is difference between pumice and granite.

Answers

Answer 1
Answer: pumice is softer than granite. granite is course and multi colored while pumice is soft with holes.
Answer 2
Answer:

Final answer:

Pumice and granite are different types of rocks with distinct properties. Pumice is a lightweight, porous volcanic rock, while granite is a hard, coarse-grained igneous rock.

Explanation:

Pumice and granite are two different types of rocks with distinct properties and origins. Pumice is a volcanic rock that forms when lava with high gas content cools rapidly, trapping bubbles within the rock. It is lightweight, porous, and usually light-colored. Granite, on the other hand, is an igneous rock that forms from the slow crystallization of magma deep within the Earth's crust. It is a hard, coarse-grained rock composed mainly of quartz, feldspar, and mica.

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How do observations of earthquake and volcanic activity support the theory of plate tectonics?Thank you for taking the time to answer!! ^_^

Answers

They provide evidence that movements of the crust are a result of slow moving currents in the mantle. Since earthquakes and volcanic eruptions are usually a result of stick-slip movements between 2 more plates and it is tension changes that are responsible for this sudden movement, the plates must be moving overtime or this tension would remain fairly constant.


Which of the following causes earth's plates to move continuously.a. glacial s deposit
b. earths magnetic field
c. convection in earth's mantle
d. radiation in the earth's core
please help me

Answers

Convection in Earth's mantle is what is causing Earth's plates to move continuously, although very slowly. A couple of hundreds of years ago, Earth didn't look the same as it does today - continents were farther apart, and they are growing closer and closer with each day, although it is an extremely slow process. 
Convection in the earth's mantle among the following statements given in the question causes earth's plates to move continuously. The correct option among all the options that are given in the question is the third option or option "c". I hope the answer comes to your help and this is the answer you were looking for.

The achievements of the Tang and Song Dynasties include __________.

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it established a large trade routes with other nations and had large civilizations.

An immigrant is distinct from an emigrant. Immigrants can best be described as people who are

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Immigrants can best be described as people who move from one place to another to provide a better life style for their families. 

What is most likely to result immediately after a rainforest in Brazil is clear-cut?

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Clear-cutting will result in the suffering and death of many of the animals who live in the rainforest. It will adversely affect the hunting territories of indigenous forest-dwelling people. Moreover, it will destroy the whole forest ecosystem. Lastly, it will result in the extinction of animal and plant species whose generic material is essential to future drug. 

which plate boundary and movement commonly creates volcanoes that can result in the development of habitable islands?

Answers

Constructive plate boundaries
1) Convection currents in the mantle move the plates
2) 2 plates of oceanic crust diverge/pull apart e.g. North American and Eurasian plates.
3) The rising magma forces the ends of the plate to push up and buckle. This creates tensional cracks on the underside of the plates.
4) Magma is squeezed into the gap between the two plates and is cooled by the ocean to form new, solidified rock/basalt.
5) Rising magma forces its way through the tensional cracks and forms sub-marine shield volcanoes on the ocean floor.
6) With repeated eruptions over millions of years they can grow until they break the surface of the ocean and become volcanic islands e.g. Iceland.