Farmers now use complex machines to plant seeds instead of planting them by hand this is an example of the use of ?

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 kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

What best explains the inability for life to exist in earth early atmosphere