In the reaction 4A1+302 +_ Al2O3, what coefficient should be placed in front of the Al, to balance the reaction?
0 1
O2
O 3
O 4

Prescription drugs account for 25% of all healthcare-related costs. true or false

Sam is a four-year-old child. as compared to other boys of his age, his skin looks dull. his hair appears damaged and dry. which nutrient is sam’s body likely lacking? a. proteins b. carbohydrates c. fats d. minerals

One way to improve self-esteem is through positive self-talk. select the best answer from the choices provided. t f