Using three examples, explain how your health is influenced by ecosystem services. Explain which typeWhich of the following substances are elements? of succession occurs most often and why.

Drive down any three characteristic of modern periodic table

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?