NEED HELP FAST, WIILL GIVE BRAILIST The idea that sediments spread out in all directions until they either thin out or run into a barrier can be explained by which of Steno's principles?
]. principle of superposition
B. principle of original horizontality
C. principle of faunal succession
D. principle of original lateral continuity

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?