Amphibian Decline Serves As Global Warning
1. a. true "the discovery... disaster"
b. false "In comparison... endangered"
2. a. highly permeable skin... very sensitive to the effects of climate change and pollution.
b. They live in many different habitats because they can adapt easily.
3. a. comprehensive
4. a. continues / will rise
b. was created / has been created / protecting
c. caused / most important
d. polluting / to