{"id":26082,"date":"2026-11-01T03:49:13","date_gmt":"2026-10-31T21:49:13","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/mcq\/can-groundwater-pollution-be-hard-to-detect-by-looking-at-a-river\/"},"modified":"2026-11-01T03:49:13","modified_gmt":"2026-10-31T21:49:13","slug":"can-groundwater-pollution-be-hard-to-detect-by-looking-at-a-river","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/can-groundwater-pollution-be-hard-to-detect-by-looking-at-a-river\/","title":{"rendered":"Why can groundwater pollution be hard to detect by looking at a river?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Why can groundwater pollution be hard to detect by looking at a river?<\/p>\n\n\n<ul class=\"quiz-options\">\n<li>Pollution always changes river color immediately<\/li>\n<li>All groundwater is naturally sterile<\/li>\n<li>Contamination may occur underground even if surface water appears normal<\/li>\n<li>Aquifers are completely separated from human activity<\/li>\n<\/ul>","protected":false},"author":39,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","subject":[1846],"topic":[4057,4063],"education_level":[2495],"class_list":["post-26082","mcq","type-mcq","status-publish","hentry","subject-geography-of-the-united-states","topic-florida-facts","topic-florida-water-ecosystems","education_level-grade-7"],"mcq_note":"<p><strong>Contamination may occur underground even if surface water appears normal<\/strong> is correct. Groundwater pollution can threaten water supplies even where a lake or river looks unaffected.<\/p><p>Hydrology studies how water moves, is stored, and interacts with landscapes.<\/p>","mcq_options":[{"right":"no","answer":"Pollution always changes river color immediately"},{"right":"no","answer":"All groundwater is naturally sterile"},{"right":"yes","answer":"Contamination may occur underground even if surface water appears normal"},{"right":"no","answer":"Aquifers are completely separated from human activity"}],"multi_answers":"no","subject_terms":[{"id":1846,"title":"Geography of the United States","slug":"geography-of-the-united-states"}],"topic_terms":[{"id":4057,"title":"Florida Facts","slug":"florida-facts"},{"id":4063,"title":"Florida Water &amp; Ecosystems","slug":"florida-water-ecosystems"}],"education_level_terms":[{"id":2495,"title":"Grade 7","slug":"grade-7"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/26082","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=26082"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=26082"}],"wp:term":[{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=26082"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=26082"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=26082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}