These regions, formed by diverging plate boundaries, are below sea level and hold the majority of earth's water and contain features such as ocean ridges and deep
sea trenches.

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is