In the chemical reaction where iron and oxygen creates iron oxide, O iron is a reactant
O oxygen is a product
O iron oxide is a reactant
O iron is a product

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

i think it's c. i'm not sure but i think so.

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.