Which of the following chemical equations is balanced? а) 4Fe +302 → 2Fe2O3
b) 3Fe +302 + 3Fe2O3
c) 2Fe + 02 → Fe2O3
d) 4Fe + 202 + 3Fe2O3

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

What is i fracture in the crust called when land move up, down or sideways

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso