When elemental iron corrodes it combines with oxygen in the air to ultimately form red brown iron (iii) oxide which we call rust. (a) if a shiny ironnail with an initial mass of 23.2 g is weighed after being coated in a layer of rust, would you expect the mass to have increased, decreased, or remained the same? explain. (b) if the mass of the iron nall increases to 24.1 g what mass of oxygen combined with the iron?

Is water wet? my friends are debating.

Growing crops in places where major pests don't live using beneficial insects to eat harmful insects using a rat trap instead of a rodenticide developing drought-resistant tomato plants using beneficial insects or natural oils to repel pests planting a different crop every year to fake out the pests keeping food covered to deter ants and rodents developing bean plants with a resistance to fungus picking caterpillars off tomato plants cultivation practice biological control cultural control genetic resistance natural chemicals

How does the kinetic energy of a substance's particle in the solid phase compare to their kinetic enegy in the liquid phase?