What are 4 ways to study the past climates of earth (if you could answer the description for one too thatd be great,, will mark you brainliest!)

The four ways to study past climates of the Earth include

1. Satellite records

2. Instrumental records

3.Historical records

4. Environmental records.

Instrumental Records: Instrumental records of climate are those gotten from tools such as thermometers, rain gauges etc. This record is a modern recent development. The results from the instruments are used in studying the result similarities or differences in previous years.

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .