Answers:
Hairy-Chin
Aggressive-Teeth
Wrinkled-sole
Hope this helps!
Observing nature is great because you can learn so much about the world around you.
Obseving the earth can help you make new discoveries
That's because she was an activist for environmental protection. Green as an adjective often refers not to the color, but rather to describe someone who is environmentally friendly. In this case, her literature fought for preserving the nature and save the environment, so it is therefore green.