If the house fails to elect a president by january 20 the 20th amendment says that

What were the main features of the aristotelian-ptolemaic model of the cosmos

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.

As a result of the violent revolts in france in july 1830, charles xgave up the throne and fled for great britain.agreed to increase the power of the monarchy.began to take the side of the conservatives.issued a proclamation supporting democracy.