What is a possible way to increase permeability?<\/p>\n\n\n\n
A. fill pores between grains with clays and other fine-grained materials
B. fill pores with natural cement
C. seal fractures with clays and other minerals
D. all of these
E. none of these<\/p>\n\n\n\n
The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n The correct answer is:<\/p>\n\n\n\n E. none of these<\/strong><\/p>\n\n\n\n Permeability is the ability of a material\u2014particularly soil, sediment, or rock\u2014to transmit fluids through its pore spaces and fractures. In geologic and soil sciences, this property is crucial in determining how groundwater or other fluids move through subsurface layers. A high permeability allows fluids to flow easily, whereas a low permeability restricts movement.<\/p>\n\n\n\n Let\u2019s analyze the options:<\/p>\n\n\n\n This would decrease<\/strong> permeability, not increase it. Clay and fine-grained materials have very small particles and pore spaces, which compact easily and do not allow fluids to pass through readily. In fact, clay layers are often used as barriers in landfills or reservoirs to prevent leakage because of their low permeability.<\/p>\n\n\n\n Natural cement refers to mineral deposits that fill in the pore spaces of rocks and sediments, such as silica, calcite, or iron oxide. These cements act to bind particles together and reduce pore connectivity, again decreasing<\/strong> the permeability. This process is called cementation<\/em>, and it is a key part of lithification (turning sediment into rock). Reduced pore space leads to lower fluid transmission.<\/p>\n\n\n\n Sealing fractures blocks the secondary porosity (openings like cracks or fissures) that often significantly enhances permeability, especially in rocks like limestone or granite. By sealing these pathways, permeability is reduced<\/strong>, not increased.<\/p>\n\n\n\n Since all the above processes reduce<\/strong> permeability, choosing all of them as a way to increase permeability would be incorrect.<\/p>\n\n\n\n To increase<\/strong> permeability, one could:<\/p>\n\n\n\n Hence, E. none of these<\/strong> is the correct choice, because all the other listed actions decrease permeability rather than increase it.<\/p>\n","protected":false},"excerpt":{"rendered":" What is a possible way to increase permeability? A. fill pores between grains with clays and other fine-grained materialsB. fill pores with natural cementC. seal fractures with clays and other mineralsD. all of theseE. none of these The Correct Answer and Explanation is: The correct answer is: E. none of these Explanation (300+ words): Permeability […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-215986","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/215986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=215986"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/215986\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=215986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=215986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=215986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\n\n\nExplanation (300+ words):<\/strong><\/h3>\n\n\n\n
A. Fill pores between grains with clays and other fine-grained materials<\/strong><\/h4>\n\n\n\n
B. Fill pores with natural cement<\/strong><\/h4>\n\n\n\n
C. Seal fractures with clays and other minerals<\/strong><\/h4>\n\n\n\n
D. All of these<\/strong><\/h4>\n\n\n\n
\n\n\n\nSo, what does<\/em> increase permeability?<\/strong><\/h3>\n\n\n\n
\n