Final answer:
The study by Cerling aimed to investigate the presence of savannas in paleoenvironments up to 7.4 million years ago.
Step-by-step explanation:
The study by Cerling was designed to look for savannas in paleoenvironments up to 7.4 million years ago.
It is true that the study by Cerling aimed to investigate the presence of savannas in ancient environments. The term 'savanna' refers to a type of grassland with scattered trees, and researchers like Cerling study paleoenvironments to understand the habitats and landscapes of the past.