The ion X2- belongs to an element in Group

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium