Which of the following efforts is used in the enforcement of the Kyoto Protocol?
A. Trading carbon credits among countries
B. Monitoring the ozone hole over Antarctica
C. Banning aerosols in every country
D. Banning CFCs worldwide

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Which of the following describes a bathypelagic zone

The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .