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Iowa Test of Basic Skills (ITBS) VIP Practice Exam
ITBS — The Iowa Test of Basic Skills (ITBS) is a norm-referenced standardized achievement test published by Riverside Publishing (Houghton Mifflin Harcourt), administered to students in grades K–8 across the United States; it assesses Reading, Vocabulary, Language Arts, Mathematics, Science, and Social Studies across multiple timed subtests spanning several classroom sessions — there is no single pass/fail cutoff, as results are reported as national percentile ranks and grade-equivalent scores.
31
Questions
75m
Time Limit
75.00%
To Pass
Question 1 of 31👑 VIP
Read the following passage and answer the question. "The Amazon rainforest, often called the 'lungs of the Earth,' produces roughly 20% of the world's oxygen. It spans nine countries in South America and covers over 5.5 million square kilometers. Despite its importance, deforestation threatens this vital ecosystem — scientists estimate that more than 17% of the Amazon has been destroyed in the last 50 years, primarily due to agricultural expansion and cattle ranching. The consequences extend far beyond South America: disrupted rainfall patterns, accelerating loss of biodiversity, and worsening global climate change." According to the passage, what is the PRIMARY cause of Amazon deforestation?
Questions 2–31 and full explanations are VIP-exclusive.