Question

which do scientists study to determine air temperature at the time it was formed? select the two correct answers.
a. fossilized pollen
b. ice formed thousands of years ago
c. chemical isotopes in foraminifera shells
d. tree rings

Answer 1

To determine air temperature at the time it was formed, scientists study:

b. ice formed thousands of years ago
c. chemical isotopes in foraminifera shells

Both of these methods provide valuable information about past climate conditions and temperature.