The work of scientists usually begins with * testing a hypothesis
careful observations
creating experiments.
drawing conclusions

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis