What's the most common extrusive igneous rock on earth?

a. rhyolite b. pumice c. basalt d. obsidian

Which food could be transported in a galvanized metal container?

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?