Which achievements did the Maya accomplish in math and astronomy? Choose FOUR correct answers. They developed the number zero.
They created a 365-day calendar.
They invented algebra.
They predicted eclipses of the sun.
They created a numeral system.

Essay: both benedict arnold and alexander hamilton were ambitious men who took great risks as leaders in the american revolution. write an essay in which you discuss the impact that the ambitions of individuals had on the birth of the united states. remember to use textual evidence from both written sources to support your argument.

How does sociology account for the cause of drug and alcohol addiction?

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .