The sun solar energy produce all the energy
Explanation:
Sorry I tried but I do not know the answer but maybe someone else's know and can tell you the answer
Answer:1 mol of Mg(NO3)2 contains 6.022*10^23 molecules
3 mol Mg(NO3)2 contains 3*6.022*10^23 = 1.81*10^24 molecules
Each Mg(NO3)2 molecule contains 2 N atoms
Number of N atoms = 2*1.81*10^24 = 3.62*10^24 N atoms.
Answer:
A. All organisms need water as energy source
The gravitational force between the objects depends on the mass of the objects and the distance between them.
