What statement is accurate based on the study of tree rings? O Trees near the arctic will have thicker rings than those near the equator.
Trees with a pattern of thin rings indicate a wet, warm climate.
Size and density of tree rings can give information on past climates.
O The number of rings indicate how much fruit the tree can bear.

Size and density of tree rings can give information on past climates.

Explanation:

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.

d. william mckinley's southern upbringing him win.