Check all that apply. On sunny days, air near the ground
A. Heats faster
B. Heats slower
C. Rises
D. Sinks
E. there is less warm air
F. there is more warm air

Why is any chemical reaction always balanced? give reasons and explain the easiest way to solve the balancing problems in chemical equations with stoichiometric coefficients upto 20 as hit and trial doesn't always work. give full reasoning