{"id":23661,"date":"2024-04-15T06:36:35","date_gmt":"2024-04-15T06:36:35","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=23661"},"modified":"2024-04-15T06:36:35","modified_gmt":"2024-04-15T06:36:35","slug":"the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/","title":{"rendered":"The depletion of Ozone layer is mainly due to A. Volcanic eruptions B. Aviation fuels C. Radioactive rays D. Chlorofluorocarbons"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6aa59cc5994bc\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Volcanic eruptions                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Aviation fuels                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Radioactive rays                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    Chlorofluorocarbons                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: D. Chlorofluorocarbons (CFCs).<\/p>\n<p>CFCs are a group of chemicals that were once widely used in refrigerators, air <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> conditioners, and aerosol cans. They are very stable and do not break down easily in the atmosphere. However, when they reach the stratosphere, they are broken down by ultraviolet radiation and release chlorine atoms. These chlorine atoms react with ozone molecules, destroying them.<\/p>\n<p>Volcanic eruptions can release large amounts of sulfur dioxide into the atmosphere. Sulfur dioxide can react with water vapor to form sulfuric acid, which can then form clouds of sulfate aerosols. These aerosols can reflect sunlight back into space, which can cool the Earth&#8217;s surface. However, they do not directly affect the ozone layer.<\/p>\n<p>Aviation fuels can release small amounts of nitrogen oxides into the atmosphere. Nitrogen oxides can react with water vapor to form nitric acid, which can then form clouds of nitric acid aerosols. These aerosols can reflect sunlight back into space, which can cool the Earth&#8217;s surface. However, they do not directly affect the ozone layer.<\/p>\n<p>Radioactive rays are a type of electromagnetic radiation that can be emitted by radioactive elements. They can cause damage to DNA, which can lead to cancer. However, they do not directly affect the ozone layer.<\/p>\n<p>In conclusion, the depletion of the ozone layer is mainly due to CFCs. CFCs are a group of chemicals that were once widely used in refrigerators, air conditioners, and aerosol cans. They <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> are very stable and do not break down easily in the atmosphere. However, when they reach the stratosphere, they are broken down by ultraviolet radiation and release chlorine atoms. These chlorine atoms react with ozone molecules, destroying them.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The depletion of Ozone layer is mainly due to A. Volcanic eruptions B. Aviation fuels C. Radioactive rays D. Chlorofluorocarbons<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The depletion of Ozone layer is mainly due to A. Volcanic eruptions B. Aviation fuels C. Radioactive rays D. Chlorofluorocarbons\" \/>\n<meta property=\"og:description\" content=\"Join Our Telegram Channel Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T06:36:35+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"The depletion of Ozone layer is mainly due to A. Volcanic eruptions B. Aviation fuels C. Radioactive rays D. Chlorofluorocarbons","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/","og_locale":"en_US","og_type":"article","og_title":"The depletion of Ozone layer is mainly due to A. Volcanic eruptions B. Aviation fuels C. Radioactive rays D. Chlorofluorocarbons","og_description":"Join Our Telegram Channel Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T06:36:35+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/","name":"The depletion of Ozone layer is mainly due to A. Volcanic eruptions B. Aviation fuels C. Radioactive rays D. Chlorofluorocarbons","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T06:36:35+00:00","dateModified":"2024-04-15T06:36:35+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-depletion-of-ozone-layer-is-mainly-due-to-a-volcanic-eruptions-b-aviation-fuels-c-radioactive-rays-d-chlorofluorocarbons\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"chemistry","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/chemistry\/"},{"@type":"ListItem","position":4,"name":"The depletion of Ozone layer is mainly due to A. Volcanic eruptions B. Aviation fuels C. Radioactive rays D. Chlorofluorocarbons"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/23661"}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=23661"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/23661\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=23661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=23661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=23661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}