Which chamber receives blood from the superior and inferior vena cavae?

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 limbs. so, it can be concluded that .

The distribution of related animals and plants across the world

Explain the process that creates the heat of the sun?