Observe the pictures of a pattern of stars at 8:00 p. m. and again at 6:00 a. m. Why do the patterns of stars appear to move in the sky? a pattern of stars in the bottom left hand corner of the sky

a pattern of stars in the upper left corner of the sky

It is caused by the rotation of Earth.
It is caused by the stars moving closer to Earth.
It is caused by the stars moving at night.
It is caused by the sun rotating around Earth.

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.

The largest formal unit of geologic time is