Question

how do scientists study pollen grains to help them understand climate change? by analyzing and making inferences about them by observing and listing facts about them by studying and reading more about them by writing hypothesis about them

Explanation:

Pollen grains can provide clues about past vegetation and climate. Scientists analyze pollen - its type, quantity, and distribution in sediment layers, etc., and make inferences about past climate conditions such as temperature and precipitation patterns.

Answer:

by analyzing and making inferences about them