What do scientists study to reconstruct past climate conditions? tree branches, pollen grains, and rain water pollen grains, tree rings, and fossils rain water, tree rings, and fossils fossils, pollen grains, and tree branches

Which occurs when air is compressed? air molecules move slower. air temperature rises and air molecules move faster. air temperature decreases. air temperature decreases and air molecules move faster.

How many square miles is the big island of hawaii

Which statements describe characteristics of mdcs? higher standard of living increased agricultural focus more access to health care more access to transportation and communication more industry reduced educational opportunities shorter life expectancy