Multiple choice

From which of the following can we learn about the wet and dry periods that Earth has experienced in the past?

a. Sediment deposits in glacial lakes b. Rings in trees c. Geomorphological features in high altitudes and high latitudes

  1. a only

  2. b only

  3. c only

  4. a and b

  5. a, b and c

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The rings in the trees provide clues about wet and dry periods.