What was the significance of the smog episodes in donora, pennsylvannia, and london? a. air pollution technology was invented b. the environmental movement began c. the public dismissed air pollution as a necessary consequence for industrialization d. legislation was passed to regulate air pollution

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

How can an organ, such as the lungs, work for multiple body systems?