Which of the following statements best represents a hypothesis?
titanium is one of the strongest minerals.
a system of lenses can be used to improve vision.
atoms that have been combined into molecules can be used to develop medicines.
two objects dropped from the same height will hit the ground at the same time.

How does this passage demonstrate the use of propaganda? select two options.

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.

During the decline of the harappan civilization, which group came to power in the indus valley