Apublished hypothesis: 1) is accepted by the scientific community2) should be tested by the scientific community3) does not need to be tested4) becomes a scientific law

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =