Why do scientists study the geologic record? a.to understand the history of Earth and the changes that have happened

b.to be able to write a textbook

c.because they have to

d.to find fossils

The answer is A. Here’s where I got the answer from, “The geologic record is the history of Earth as recorded in the rocks that make up its crust. The way these strata are arranged and what fossils are in them give scientists clues about what Earth was like billions of years ago. ...”

According to the NOAA 2019 Global Climate Summary, the combined land and ocean temperature has increased at an average rate of 0.07°C (0.13°F) per decade since 1880; however, the average rate of increase since 1981 (0.18°C / 0.32°F) is more than twice as great.

Global average surface temperature has risen at an average rate of 0.15°F per decade since 1901, similar to the rate of warming within the contiguous 48 states.

Explanation:

Hope this helps! If it does may i please have brainliest!