1. Two boys balanced steady in a sea-saw game
is an example of A static equilibrium. B dynamic equilibrium. С homogenous equilibrium. D mutual equilibrium.
Sun is explosive itself spread 9 planets.earth is 3rd explosive in the solar system about 500 hundred million years ago . first earth became ice age and freezing climate.centre of earth magma. north zone is artic . south is anatric
Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining