Market pressure will cause the price of cell phones rise until it reaches the equilibrium price
The answer is "the theories change to fit current data".
The meaning of a theory is a plan to clarify something, or
an arrangement of leading standards. In science a theory is an all around
substantiated clarification of some part of the common world, natural world, in
light of an assemblage of realities that have been over and over affirmed
through perception and examination.
Answer:
They developed many new techniques for buildings and invented, concrete,roman roads, arches, and aqueducts
Explanation:
