Which of the following are indicators of paleoclimate or past climates?
1. Fossilized pollen grains
2. Annular rings of trees
3. Cave deposits
4. Lacustrine deposits
Select the correct answer using the code given below.
1
1 and 2 only
2
3 and 4 only
3
1, 3 and 4 only
4
1, 2, 3 and 4