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

Answer:

Distinct ice layers are caused by:  seasonal changes

When studying ice layers, scientists use:  spectrometers

These gases reveal the:  temperature

Explanation:

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

Answer 2

Answer:

B, A, B.

Explanation:

Got it correct, Edge2020.