what is weathering, why is it important? how do sedimentary rocks form? what percentage of all...
Homework Answers
Weathering is breaking down of hard and big rocks by air, temperature, rain and other environmental factors.
It is a very important process because it technically made up the whole earth surface. It contributes significantly in soil formation. It makes construction materials. It also gives rock water holding capacity. And it shapes up the earth.
About 75% of earth surface is covered with sedimentary rocks. Because sedimentary rocks are formed when sediments are deposited and it is normally formed after weathering and erosion. This process can only be carried on earth's surface, that is why rocks on earth are sedimentary rocks mostly. Other rocks are mostly formed under earth crust eg igneous or metamorphic rocks.
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what is weathering, why is it important? how do sedimentary rocks
form? what percentage of all...
Why can't we study sedimentary rocks that are older than about 3.7 Billion Years Old (byo)?...
Why can't we study sedimentary rocks that are older than about 3.7 Billion Years Old (byo)? A. Rock older than 3.7 billion years has too much graphite for it to be considered sedimentary. B. We do! There is lots of sedimentary rock that is older than 3.7 byo, for instance, 3.8 byo rocks in Hudson Bay, Canada. C. The earth was not stable enough for life until about 3.7 byo meaning sedimentary rock could not form until then because of...
Why can't we study sedimentary rocks that are older than about 3.7 Billion Years Old (byo)? O Rock older than 3.7 billion years has too much be considered sedimentary O The earth was not stable e...
Why can't we study sedimentary rocks that are older than about 3.7 Billion Years Old (byo)? O Rock older than 3.7 billion years has too much be considered sedimentary O The earth was not stable enough for life unti entary rock could not form until then because of a different carbon ratio We do! There is lots of sedimentary rock that is older 3.8 byo rocks in Hudson Bay for ins Canada. lithosphere of the earth (the crust) is being...
The textures of igneous rocks, sedimentary rocks, and metamorphic rocks are all described with different terminology. That is, you cannot describe the texture of a sedimentary rock with the terms use...
The textures of igneous rocks, sedimentary rocks, and metamorphic rocks are all described with different terminology. That is, you cannot describe the texture of a sedimentary rock with the terms used to describe textures of igneous rocks. Bearing this in mind, please sort the terms below pertaining to rock textures into the three rock classes. lgneous rocks have textures that are either comprised of interlocking crystals, or textures that resulted from the cooling of hot liquid material. Sedimentary rocks have...
please answer all 14 questions Question 54 • The asthenosphere is NOT defined as • A....
please answer all 14 questions
Question 54 • The asthenosphere is NOT defined as • A. solid •B. plastic .C. mobile .D. clastic Question 55 Compaction is a necessary step in the formation of sedimentary rock is also needed to hold the complacted grains together. A lithification .B. cementation .C. heating .D. metamorphism Question 56 The most common igneous rock which is comparatively light in color and density is A basalt B. obsidian C. gabbro D granite Question 57 •...
What is doping? And why is it important? How does electric current form when a PV...
What is doping? And why is it important? How does electric current form when a PV cell is exposed to sunlight and what is the main source of energy in photovoltaics?
1. What is a metamorphic rock? 2. How do metamorphic rocks form? 3. Where are some...
1. What is a metamorphic rock? 2. How do metamorphic rocks form? 3. Where are some places that metamorphic rocks form? 4. What is metamorphic grade? 5. What is a parent rock (protolith)? 6. What is foliation? 7. How would you tell the difference between a marble, a schist, and a slate? Thank you!
what are the five properties that make mineral a mineral (define mineral)? How do the rocks...
what are the five properties that make mineral a mineral (define mineral)? How do the rocks and minerals differ? how igneous rocks form? how do the extrusive and intrusive rocks form, one example of each kind. APA format
Provide written answers and diagrams for two of the questions below. 1. Sketch and explain the...
Provide written answers and diagrams for two of the questions below. 1. Sketch and explain the sedimentary cycle. What processes are at work in each stage? 2: On the back side of this page. draw pictures of the following sedimentary features and explain how they form: ripple marks cross beds mudcracks graded beds 3. Define clastic and chemical sedimentary rocks and tell how the two groups differ. How do the two types of weathering (physical and chemical) relate to how...
hydrogenous sediment form in the deep ocean? 1. How does a a. Weathering of continental rock...
hydrogenous sediment form in the deep ocean? 1. How does a a. Weathering of continental rock produces fine particles that are carried to sea b. Phosphates and carbonates occur at volcanic mid-ocean ridges. Shipwrecks dissolve and contribute to the mineral content in the ocean. d Dissolved minerals in seawater precipitate out of solution when temperature and pressure conditions change. e. It falls onto Earth as space dust. by wind C.
1. Endogenic processes include a. Internal processes b. Volcanic activity c. Tectonic activity d. All of the above 2. Wh...
1. Endogenic processes include a. Internal processes b. Volcanic activity c. Tectonic activity d. All of the above 2. Which of these is not a exogenic process a. Weathering b. erosion c. volcanic activity d. mass wasting 3. The continents and ocean basins are located in the: a. Crust b. Mantle c. Core d. Asthenosphere 4. The oceanic crust is __________ and __________ than continental crust. a. thicker; denser b. thinner; denser c. thicker; less dense d. thinner; less dense...
Why can't we study sedimentary rocks that are older than about 3.7 Billion Years Old (byo)? O Rock older than 3.7 billion years has too much be considered sedimentary O The earth was not stable enough for life unti entary rock could not form until then because of a different carbon ratio We do! There is lots of sedimentary rock that is older 3.8 byo rocks in Hudson Bay for ins Canada. lithosphere of the earth (the crust) is being...
The textures of igneous rocks, sedimentary rocks, and metamorphic rocks are all described with different terminology. That is, you cannot describe the texture of a sedimentary rock with the terms used to describe textures of igneous rocks. Bearing this in mind, please sort the terms below pertaining to rock textures into the three rock classes. lgneous rocks have textures that are either comprised of interlocking crystals, or textures that resulted from the cooling of hot liquid material. Sedimentary rocks have...
please answer all 14 questions
Question 54 • The asthenosphere is NOT defined as • A. solid •B. plastic .C. mobile .D. clastic Question 55 Compaction is a necessary step in the formation of sedimentary rock is also needed to hold the complacted grains together. A lithification .B. cementation .C. heating .D. metamorphism Question 56 The most common igneous rock which is comparatively light in color and density is A basalt B. obsidian C. gabbro D granite Question 57 •...
Provide written answers and diagrams for two of the questions below. 1. Sketch and explain the sedimentary cycle. What processes are at work in each stage? 2: On the back side of this page. draw pictures of the following sedimentary features and explain how they form: ripple marks cross beds mudcracks graded beds 3. Define clastic and chemical sedimentary rocks and tell how the two groups differ. How do the two types of weathering (physical and chemical) relate to how...
hydrogenous sediment form in the deep ocean? 1. How does a a. Weathering of continental rock produces fine particles that are carried to sea b. Phosphates and carbonates occur at volcanic mid-ocean ridges. Shipwrecks dissolve and contribute to the mineral content in the ocean. d Dissolved minerals in seawater precipitate out of solution when temperature and pressure conditions change. e. It falls onto Earth as space dust. by wind C.
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