Which example provides evidence of a chemical change? F Wood releases ash and smoke when burned.
G Rock particles separate when soil is being sifted
. H Boiling water bubbles when being heated.
J Sugar is not visible when dissolved in water.​

Ineed ! it’s science and it’s due tomorrow!

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

The reaction q+r2=r2q is found to be first order in r2 and