Which of the following is NOT an important phenomenon that commonly erodes and weathers exposed rock outcrops to form sedimentary material? a) Lightning
b) Wind
c) Rain
d) Freezing/Thawing

Describe the path of a ray that approaches a mirror parallel to the principal axis.

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points