Fill in each numbered blank with one suitable word to complete the following passage

----- Nội dung dịch tự động từ ảnh -----
VII. Fill in each numbered blank with one suitable word to complete the
following passage
If someone asked you to (56) out if the Earth's climate had changed over the past century, your first
instinct would be reach for the meteorological records, just as climate change researchers have done
(57) for decades. But boreholes - holes drilled in the ground in (58) - of resources such as oil and
water - might give you a better answer. Over the past fifty years, mineral, oil and gas exploration
companies have drilled thousands of boreholes all (59) the world. In some cases, geophysicists
have drilled boreholes to study (60) temperature varies with depth in the upper sections of the Earth's
crust. Now climatologists are recognizing that these measurements, many of (61) were discarded
as unimportant by the geophysicists, offer power clues to the Earth's past (62). possibly, future
climate.
Already, analyses of temperature readings from boreholes are producing provocative findings. They
suggest that at (63) part of the global warming (also known as the (64) seen in the
meteorological records of the past century can be explained (65) - natural fluctuations in the Earth's
underground temperature.