A composition reaction produces a single substance from multiple reactants. A decomposition reaction produces multiple products from a single reactant.
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You can rule out "all of the above" and "decreases slightly each year" because human population is increasing.
Agricultural areas is Farm land which does not have high population. This leaves world population is unequally distributed.. Which is true
Honestly idk if this is correct but. The noble-gas notation for lead (Pb) would be [Xe]6s^2 4f^14 5d^10 6p^2. The standard electron configuration of lead is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4f^14 5d^10 6p^2 simplifying will lead to the part having the same configuration as xenon to be written as [Xe].
When salt is added to ice , it comes into contact with the thin layer of water on the surface of the melting ice. ... This salt water has a lower freezing point, so the temperature of the ice bath can get even colder, thus freezing the ice cream more quickly.