What 4 pieces of evidence can scientists collect to determine climate change? Pick one and explain how it can be used to show climate is or has changed.

When scientists focus on climate from before the past 100-150 years, they use records from physical, chemical and biological materials preserved within the geologic record. Organisms (such as diatoms, forams and coral) can serve as useful climate proxies. Other proxies include ice cores, tree rings, and sediment cores.

Explanation:

answer; /// the above statement is (true);