Ascientific law is
a. a universally accepted conclusion based on testing
b. always changing as a new evidence is presented
c. based on new evolving theories
d. often debated in the scientific community
e. one step toward forming a theory

The answer is A.

Scientific laws may be revised sometimes, but aren't changed when new evidence is found. They do not evolve from scientific theories and theories don't evolve to laws. So it must be A.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

i think that the answer is c