Some people think we should geo-engineer earth's climate in order to prevent global warming which proposal could cool earth's climate
a) increase carbon dioxide emissions
b) adding dust particles into the upper atmosphere
c) attempting to slow volcanic eruptions by plugging craters
d) covering sections of earth's surface with black plastic in order to block sunlight

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales