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QUESTION 3Which of the following is the correct composition and phase of the mantle? Metal-rich rock Liquid Iron and nickel metal, Liquld Rock Liquid Rock; Solid Me...

Question

QUESTION 3Which of the following is the correct composition and phase of the mantle? Metal-rich rock Liquid Iron and nickel metal, Liquld Rock Liquid Rock; Solid Metal-rich rock; Solid Iron and nickel metal, Solid

QUESTION 3 Which of the following is the correct composition and phase of the mantle? Metal-rich rock Liquid Iron and nickel metal, Liquld Rock Liquid Rock; Solid Metal-rich rock; Solid Iron and nickel metal, Solid



Answers

Based on these data, what is the most likely composition of this planet? (a) Mostly iron; (b) iron and rock; (c) iron and rock with some lighter elements; (d) hydrogen and helium gases.

So are three major layers of earth are going to be as listed from top to bottom, our crust, our mantle and our core. So try and draw a little diagram out here, also on the left hand side, kind of showing each of those relative sizes. So again on the top is going to be our first most layer, relatively thinnest of our three layers is our crust. And then that crosses that top layer composed of rock material. And definitely the thinnest of the three, averaging only usually about 25 or so miles on average, uh in its thickness, about 40 kilometers in its thickness and average. The middle layer then is going to be our mantle. And so the mantle is also composed of various rock compounds, although it does have some heavy metals to it, it's primarily made of rock material as well. However, it is much larger than our crust and has a thickness von errors and estimated about 18 100 miles are about 2900 kilometers. And um then our core, which is often kind of broken down into a couple subparts, so either the inner or the outer core um as being uh excuse me, with the inner core being solid and the outer core being liquid. Uh those but combined, if we just call uh and have them as the core here didn't quite draw this quite to scale, but together either, definitely the largest of the three. So imagine that that core actually probably extends much more out with our blue circle here is so um and so because together um that inner and outer core, if we take them together, usually reference to about 30 500 or so shooting kilometers in this case, or about 2000 150 miles. So again, a little bit bigger than our mantle. And the biggest of the three that is the core is made of metal um versus the mantle and crust that are made of rock. Okay.

Hello motion is right, identify the correct statements first. Is that I want is the most abundant transform metals. Yes. Iran is present in the most percentage in the earth. Is that correct? The past is the purest form of no road. Is the purest form of not faster than these? The encouraging the most stable of sick the state of tapestry? Yes, Because in that three electronic configures that really five for a zero. So there are electrons. That's why it will be highly stable. Ireland does not form amalgam with mercury. Yes, Iran and platinum does not form Malcolm with the market. So be also A B and

So problem three asks to go our classifier a few five properties whether they are physical or chemical properties. The 1st 1 is, uh and I don't need an oxygen form roughed. Soto, answer this question. We have to know the difference between a physical and chemical properties. So physical property is the one that can be observed her measured without changing the composition of the material. My chemical property is ah, the one ah, visibility off the ah material to form a different compound to change its completion. So as a zoo, this the first statement is going to be a ah chemical property because ah, minute. Ah, I don't an extreme form rust. They go from Ireland on oxygen too. Iron oxide. It's gonna be a chemical property. And that's good to know that it's going to be. The question is whether I need more dancing in a minute. So the measure of this we don't have to change the competition of the material. So this is going to be a physical property. Uh, magnesium burns brightly been ignited. So, uh, this case and magnesium burns, it forms the magnesium oxide. She's gonna be, ah, a chemical property the or the water do not mix. So, uh, may be observed is, uh, we don't change the competition off any off the ingredients, whether water. So it's going to be a physical property. And the last one whether America that Metarie melts at 39 degrees C So when, uh, compound melts, it does not change, uh, composition. So that's always going to be a physical property. And these are the answers for these questions.

So this question is going over topics of what uh different rock types and how they're formed. So it's asking one of the three major groups that make up the rocks and earth's um shell its crust And three major types of igneous metamorphic and sedimentary. And there are different in the way that they're created. So let's go over that real quickly. Otherwise this question is really short. Igneous rocks are made from either lava that is cool down or made inside um melted rock from the earth's core sedimentary rocks are formed from layers of sand or sil, they're dead plants. So it's anything that decomposes and then gets compressed metamorphic rocks are formed from either of those rock groups that have changed over time due to excessive pressure or heat. So those are the three main types and how they made.


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