Which characteristic of four different dinosaur fossils makes a dinosaur most similar to the present-day birds? a-flexible wrist b-flapping ability c-flight feathers d-primitive feathers only answer if you know, ill give brainliest if its right

Answerwho is the first goverment en united state

Which conditions did austria demand of serbia after the assassination of archduke ferdinand? check all that apply. 1. swearing allegiance to the triple alliance 2. accepting responsibility for the assassination 3. turning over control of its military operations 4. surrendering half of its most fertile lands 5. suppressing anti-austrian groups and publications

Why did some states believe they had the power to overturn federal laws?