Answer:
Scientists who study past climate, called paleoclimatologists, use core samples of ice retrieved from glaciers to study the annual accumulation patterns over thousands of years. Air bubbles trapped in the ice and other clues, such as dust particles, can help us reconstruct past climate.
Explanation:
The answer is A
He wouldn’t have started world war II if he thought jewish people were better.
Answer:
D. Gain a more thorough understanding
Explanation
It's best to try and understand the passage you're reading. If you do you may get a better insight into the characters and story.