Question

Glaciologists, geochemists and climatologists study ice layers to learn about past climates Distinct ice layers are

caused by_______
When studying ice layers, scientists use________
to measure
isotopes of certain gases. These gases reveal the________
at the time when the ice layers were
formed​

Answer 1

B, A, B.

Step-by-step explanation:

Got it correct, Edge2020.

Answer 2

Distinct ice layers are caused by: seasonal changes

When studying ice layers, scientists use: spectrometers

These gases reveal the: temperature

Step-by-step explanation:

Answers were taken from the article: Cool Jobs: Careers on Ice (Beth Geiger) on page 2 of 4 pages and paragraph 3.