Which of these can form above a limestone cave?
a. Earthquake
b. Sinkhole
C. Mudslide

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

Convert 9.75 millimeters to centimeters. centimeters

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.