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.  

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.