5) Consider these two facts: (a) The Earth has been hit by as many impactors as the Moon and Mars. (b) The state of Virginia has a total land area of about 102,000 km2 . Calculate how many 5-km-sized craters have been formed in Virginia over the last 4 billion years. [Show your work.]

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

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