8.
Find the mass of a book that has a weight of 20 Newtons (N)

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Which radioisotope is used in dating geological formations?

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m