I’m very confused ! (pic attached)

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 .

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

The wind speed in the region between cities a and b was probably the greatest at noon on which day