Select all of the answers that apply. in order to study the earth's climate history, scientists analyze soil and dirt ice cores and rock records fossils of plants and animals oceans and lakes

The correct answer is ice cores and rock records.  

The geologists are the scientists that study the history of the climate and the patterns of the planet by mainly utilizing the rock records and ice cores. The rock records play an essential part as they comprise lots of substances, which can provide comparatively precise information about the climate in a certain period. The ice cores are also a good indicator for climate changes, and they offer answers with the help of distinct layers of ice, which get formed in the particular climatic conditions.  

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

i dont know it at allnow im just getting points at this pint