The graph below shows changes in the earth’s average surface temperature since 1880. the general trend that is shown on the graph is that average surface temperature on the earth has fallen by 0.4°c since 1880. has risen by nearly 1°c since 1880. dropped a fraction of a degree in 2000. rose sharply between the years 1900 and 1920.

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide

Coral have a symbiotic relationship with what in order to eat?

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit