Pls help pl Balance the following equations:
a) CH4 + O2 + CO2 + H2O
b). Mg3N2 + H20 Mg(OH)2 + NH,​

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

What can be found in the ionosphere

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number