Answer:
A.) Pollen are well preserved in the sediment layers because they are highly resistant to decay.
B.) Other indicators that can be used to determine past climates are through the analysis of the width of tree rings and the coral reefs formed underwater.
Inferences are related to observations because inferences are an explanation for an observation you have made.
The carbon(C) and oxygen(O2) is the reactants and carbondioxide(CO2) is the produce
