Which of the following equations follows the Law of Conservation of Mass? A. H2 + O2 2OH
B. CH4 + 3O2 2CO2 + 2H2O
C.2Mg + Cl MgCl2
D.2Fe + 3O2 Fe2O3
PLEASE DO NOT SEND ME A LINK TO THE ANSWER.

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?