it” in paragraph 2 refers to ________ .,,,,the beauty of nature|each organism|==biodiversity|a genetic reservoir">
2
mitigating" in paragraph 3 is closest in meaning to ________ .,,,,==alleviating|aggravating|intensifying|increasing">
4
intricate" in paragraph 1 is closest in meaning to ________ .,,,,straightforward|==complicated|simple|fragile">
16
head-on" in paragraph 2 is closest in meaning to ________ .,,,,firstly|==directly|promptly|patiently">
32
them" in paragraph 3 refers to ________ .,,,,actions|decisions|consequences|==teens">
37