Astudent measured the amount of oxygen and carbon dioxide dissolved in an aquarium containing aquatic plants and snails. why did the snail die after the aquarium was kept in the dark for 10 hours?

Select the correct answer from each drop-down menu the images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that the archaeopteryx and bird have wings, while dinosaurs have limhe se it can be concluded that