My family had a friend that always used the same perfume when she went out with us. Every time she got into our car, I quickly came to a time when I felt I could not breathe. Yet, my wife thought it was “pleasant”. Explain in the context of diffusion and our individual sense of smell.

answer///multiple alleles;

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.