What can scientists learn from the chemical isotopes in leftover shells of foraminifera about the climate at the time the foraminifera lived?(1 point) Responses They can calculate the amount of carbon dioxide in the air. They can calculate the amount of carbon dioxide in the air. They can estimate the ocean's temperature. They can estimate the ocean's temperature. They can calculate the amount of rainfall. They can calculate the amount of rainfall. They can estimate the air temperature.