Medicare legislation was established in the:
a. 1940s
b. 1950s
c. 1960s
d. 1970s

it's c. (to reduce the greenhouse effect/carbon gasses)

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

d. changes in climate and historical records

hope this

the answer is definitely 36.

hope this : )