How was the Clean Air Act of 1970 different from previous legislation aimed at reducing pollution?

A. It put regulation in the hands of the federal government.

B. It was the first law struck down by the EPA.

C. It was the first environmental protection law passed.

D. It put regulation in the hands of state and local governments.

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.