Roughness of the surface and weight of the object.
A mixture can always be called a solution when its homogeneous.
Answer:
because that is the last group the ones before it are more reactive im sorry if this not what you were looking for.
Answer:
Research that releases a poisonous gas into the air.
Explanation:
Since I don't know the options I will guess it is ^
Answer:
the answer is option D
Explanation:
exothermic reaction takes place when the energy required to break the bonds in the reactants is less than the energy released when new bonds are formed in the products.