Classify the following items based on the type of polymer they are made from: raincoats and leather shoes.
a. both are made from synthetic polymers.
b. leather shoes are made from natural polymers; raincoats are made from synthetic polymers.
c. leather shoes are made from synthetic polymers; whereas raincoats are made from natural polymers.

when atmosphere interacts with biosphere they focuses on on the sources and sinks of green house gases (ghgs) air pollutants, particular matters, water and energy between the earth's surface and the atmosphere. the biosphere affects the climate. the atmosphere and biosphere are in constant interaction with each other, and all living things rely on gases in the atmosphere for life. organisms such as animals take in oxygen gas form the atmosphere to use in every cell of their body for smooth functioning of daily routine exercises.

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