Astronomers have observed that the universe is expanding and is accelerating in all directions. using this evidence, astronomers have hypothesized that a huge explosion called the big bang created the universe. which of the following correctly describes the big bang?
theory
fact
opinion
none of these

Why did the meiji reformers want to modernize japan a) to colonize weaker nations in south east asia b) to allow western nations to protect them and treat negotiation c) to compete with the economics and military of western nations d) to replace additional prices with weston culture

Ineed ! 10 more minutes until test is ! will give 15+ points and ! kansas history which is an example of popular sovereignty? a. the fugitive slave law enforces stricter penalties for people who runaways. b. the united states congress passes a bill limiting the slave trade. c. settlers in nebraska vote on whether they wish to make slavery legal. d. an abolitionist exercises free speech by publishing a newspaper.

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.