I would say technology? New medicines.
Answer:
D
Explanation:
In 1970, in response to the welter of confusing, often ineffective environmental protection laws enacted by states and communities, President Richard Nixon created the EPA to fix national guidelines and to monitor and enforce them
Answer:
The bent pyramid is an ancient egyptian pyramid, it was built under the rule of pharaoh sneferu. It is an example of the early pyramid development in egypt. (Also, sneferu was the father of khufu and khufu was the one who built the great pyramid at giza) You could also look it up and get much more information.
Hope this helps :)
