Answer:
Forests prevent desertification.
Explanation:
Answer:
The differemt isotopes that differ in atomic mass
Explanation:
Answer:
, 
Explanation:
The change in energy is given by the change in gravitational potential energy:



The average rate of change in terms of time is approximately this:



Answer:
4.13X10^3= 4130 in the expanded form
Answer:
1
Explanation:
The numbers in front of the formulas (the coefficients) tell you how many moles of a substance are involved in a reaction.
If no coefficient is shown, we assume it is 1.
NOCl has no coefficient, so 1 mol of NOCl is in the balanced equation.