From the passage we learn that ______.A.it is possible that some scientists working in the
From the passage we learn that ______.
A.it is possible that some scientists working in the Arctic also work in the Antarctic
B.the South Pole's coldest temperature is still very hot compared with the cold made in a cryostat
C.a cryostat can be used to change a very low temperature into a pleasant summer day
D.the Arctic is covered by an unbroken sheet of ice several miles in thickness