Question

Which do scientists study to determine air temperature at the time it was formed? Select the two correct answers. (1 point)%0D%0AResponses%0D%0A%0D%0Aice formed thousands of years ago%0D%0Aice formed thousands of years ago%0D%0A%0D%0Achemical isotopes in foraminifera shells%0D%0Achemical isotopes in foraminifera shells%0D%0A%0D%0Atree rings%0D%0Atree rings%0D%0A%0D%0Afossilized pollen

Answer 1

[AI-generated answer — Bot GPT 3.5]

The two correct answers are "ice formed thousands of years ago" and "chemical isotopes in foraminifera shells."