their" in the passage is closest in meaning to ____.,,,,creations|lives'|==sewers'|inventions'">
25
by all accounts" in the passage is closest in meaning to ____.,,,,beyond beliefs|==according to many|without doubt|by all means">
26
contaminated” in the passage is closest in meaning to ____.,,,,==polluted|purified|contained|released">
34
intricate" in the passage mostly means ____.,,,,confusing|==complicated|simplified|interesting">
48