The soil particle size that has the greatest oxygen holding capacity is the clay. Clay<span> is a fine-grained natural rock or soil material that combines one or more </span>clay minerals with traces of metal oxides and organic matter. I hope my answer has come to your help. God bless and have a nice day ahead!
Atomic mass Boron ( B ) = 10.811 u.m.a
10.811 g -------------- 6.02x10²³ atoms
5.40 g ----------------- ?? atoms
5.40 x ( 6.02x10²³) / 10.811 =
3.0069x10²³ atoms
The engine ran for 10 second
Answer is B. gas formation