Answer:
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Earth's volcanoes occur because its crust is broken into 17 major, rigid tectonic plates that float on a hotter, softer layer in its mantle.
True. If a medium such as H2O is in ice form, sound can not pass through it as well as if it were water or water vapor
Answer:
Gravity Force
Gravity Force(also known as Weight) The force of gravity is the force with which the earth, moon, or other massively large object attracts another object towards itself. By definition, this is the weight of the object <em><u>your welcome </u></em>
1 newton =
the force that accelerates 1 kilogram of mass at the rate of 1meter per sec²
1 N = 1 kg-m/s²
