9. a long-exposure photograph of the stars reveals quarter-circle tracks: how long was the exposure? [a] 2 hrs [b] 3 hrs [c] 4 hrs [d] 6 hrs [e] 8 hrs

There is only one climate type in motion across the world at a time

Which of the following mountain ranges is home to the largest mountain peak in europe? a. the carpathian mountains b. the caucasus mountains c. the balkan mountains d. the ural mountains select the best answer from the choices provided a b c d

Weathering is an example of an external force of change. question 2 options: true false