A. in a polar bond, electrons are shared
Answer:
Not sure what the specific answer you want is but here's mine..
Earth science or geoscience includes all fields of natural science related to the planet Earth. SO.. They would study how the world works. AN example is natural disasters.
Explanation:
Hope this helps.
Aluminum to hydrogen gas ratio is 2 : 3 by looking at the coefficients of aluminum on the reactant side and hydrogen gas on the product side.
So from 2.0 mol of Al, 3.0 mol of H2 would form.
(J) unit joule is the standard unit of heat (energy)